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Angular sectionsSection Sec"tion, n. [L. sectio, fr. secare, sectum, to cut;
akin to E. saw a cutting instrument: cf. F. section. See
Saw, and cf. Scion, Dissect, Insect, Secant,
Segment.]
1. The act of cutting, or separation by cutting; as, the
section of bodies.
2. A part separated from something; a division; a portion; a
slice. Specifically:
(a) A distinct part or portion of a book or writing; a
subdivision of a chapter; the division of a law or
other writing; a paragraph; an article; hence, the
character [sect], often used to denote such a
division.
It is hardly possible to give a distinct view of
his several arguments in distinct sections.
--Locke.
(b) A distinct part of a country or people, community,
class, or the like; a part of a territory separated by
geographical lines, or of a people considered as
distinct.
The extreme section of one class consists of
bigoted dotards, the extreme section of the
other consists of shallow and reckless empirics.
--Macaulay.
(c) One of the portions, of one square mile each, into
which the public lands of the United States are
divided; one thirty-sixth part of a township. These
sections are subdivided into quarter sections for sale
under the homestead and pre["e]mption laws.
3. (Geom.) The figure made up of all the points common to a
superficies and a solid which meet, or to two superficies
which meet, or to two lines which meet. In the first case
the section is a superficies, in the second a line, and in
the third a point.
4. (Nat. Hist.) A division of a genus; a group of species
separated by some distinction from others of the same
genus; -- often indicated by the sign [sect].
5. (Mus.) A part of a musical period, composed of one or more
phrases. See Phrase.
6. The description or representation of anything as it would
appear if cut through by any intersecting plane; depiction
of what is beyond a plane passing through, or supposed to
pass through, an object, as a building, a machine, a
succession of strata; profile.
Note: In mechanical drawing, as in these Illustrations of a
cannon, a longitudinal section (a) usually represents
the object as cut through its center lengthwise and
vertically; a cross or transverse section (b), as cut
crosswise and vertically; and a horizontal section (c),
as cut through its center horizontally. Oblique
sections are made at various angles. In architecture, a
vertical section is a drawing showing the interior, the
thickness of the walls, ets., as if made on a vertical
plane passed through a building.
Angular sections (Math.), a branch of analysis which treats
of the relations of sines, tangents, etc., of arcs to the
sines, tangents, etc., of their multiples or of their
parts. [R.]
Conic sections. (Geom.) See under Conic.
Section liner (Drawing), an instrument to aid in drawing a
series of equidistant parallel lines, -- used in
representing sections.
Thin sections, a section or slice, as of mineral, animal,
or vegetable substance, thin enough to be transparent, and
used for study under the microscope.
Syn: Part; portion; division.
Usage: Section, Part. The English more commonly apply the
word section to a part or portion of a body of men;
as, a section of the clergy, a small section of the
Whigs, etc. In the United States this use is less
common, but another use, unknown or but little known
in England, is very frequent, as in the phrases ``the
eastern section of our country,' etc., the same sense
being also given to the adjective sectional as,
sectional feelings, interests, etc. Antivivisection
Antivivisection An`ti*viv`i*sec"tion, n.
Opposition to vivisection.
Antivivisectionist
Antivivisectionist An`ti*viv`i*sec"tion*ist, n.
One opposed to vivisection
Bisection
Bisection Bi*sec"tion, n. [Cf. F. bissection.]
Division into two parts, esp. two equal parts.
Caesarean sectionCaesarean C[ae]*sa"re*an, Caesarian C[ae]*sa"ri*an, a. [L.
Caesareus, Caesarianus.]
Of or pertaining to C[ae]sar or the C[ae]sars; imperial.
C[ae]sarean section (Surg.), the operation of taking a
child from the womb by cutting through the walls of the
abdomen and uterus; -- so called because Julius C[ae]sar
is reported to have been brought into the world by such an
operation. CallisectionCallisection Cal`li*sec"tion, n. [L. callere to be insensible
+ E. section.]
Painless vivisection; -- opposed to sentisection. --B. G.
Wilder. Conic sectionConic Con"ic, Conical Con"ic*al, a. [Gr. ?: cf. F. conique.
See Cone.]
1. Having the form of, or resembling, a geometrical cone;
round and tapering to a point, or gradually lessening in
circumference; as, a conic or conical figure; a conical
vessel.
2. Of or pertaining to a cone; as, conic sections.
Conic section (Geom.), a curved line formed by the
intersection of the surface of a right cone and a plane.
The conic sections are the parabola, ellipse, and
hyperbola. The right lines and the circle which result
from certain positions of the plane are sometimes, though
not generally included.
Conic sections, that branch of geometry which treats of the
parabola, ellipse, and hyperbola.
Conical pendulum. See Pendulum.
Conical projection, a method of delineating the surface of
a sphere upon a plane surface as if projected upon the
surface of a cone; -- much used by makers of maps in
Europe.
Conical surface (Geom.), a surface described by a right
line moving along any curve and always passing through a
fixed point that is not in the plane of that curve. Conic sectionsSection Sec"tion, n. [L. sectio, fr. secare, sectum, to cut;
akin to E. saw a cutting instrument: cf. F. section. See
Saw, and cf. Scion, Dissect, Insect, Secant,
Segment.]
1. The act of cutting, or separation by cutting; as, the
section of bodies.
2. A part separated from something; a division; a portion; a
slice. Specifically:
(a) A distinct part or portion of a book or writing; a
subdivision of a chapter; the division of a law or
other writing; a paragraph; an article; hence, the
character [sect], often used to denote such a
division.
It is hardly possible to give a distinct view of
his several arguments in distinct sections.
--Locke.
(b) A distinct part of a country or people, community,
class, or the like; a part of a territory separated by
geographical lines, or of a people considered as
distinct.
The extreme section of one class consists of
bigoted dotards, the extreme section of the
other consists of shallow and reckless empirics.
--Macaulay.
(c) One of the portions, of one square mile each, into
which the public lands of the United States are
divided; one thirty-sixth part of a township. These
sections are subdivided into quarter sections for sale
under the homestead and pre["e]mption laws.
3. (Geom.) The figure made up of all the points common to a
superficies and a solid which meet, or to two superficies
which meet, or to two lines which meet. In the first case
the section is a superficies, in the second a line, and in
the third a point.
4. (Nat. Hist.) A division of a genus; a group of species
separated by some distinction from others of the same
genus; -- often indicated by the sign [sect].
5. (Mus.) A part of a musical period, composed of one or more
phrases. See Phrase.
6. The description or representation of anything as it would
appear if cut through by any intersecting plane; depiction
of what is beyond a plane passing through, or supposed to
pass through, an object, as a building, a machine, a
succession of strata; profile.
Note: In mechanical drawing, as in these Illustrations of a
cannon, a longitudinal section (a) usually represents
the object as cut through its center lengthwise and
vertically; a cross or transverse section (b), as cut
crosswise and vertically; and a horizontal section (c),
as cut through its center horizontally. Oblique
sections are made at various angles. In architecture, a
vertical section is a drawing showing the interior, the
thickness of the walls, ets., as if made on a vertical
plane passed through a building.
Angular sections (Math.), a branch of analysis which treats
of the relations of sines, tangents, etc., of arcs to the
sines, tangents, etc., of their multiples or of their
parts. [R.]
Conic sections. (Geom.) See under Conic.
Section liner (Drawing), an instrument to aid in drawing a
series of equidistant parallel lines, -- used in
representing sections.
Thin sections, a section or slice, as of mineral, animal,
or vegetable substance, thin enough to be transparent, and
used for study under the microscope.
Syn: Part; portion; division.
Usage: Section, Part. The English more commonly apply the
word section to a part or portion of a body of men;
as, a section of the clergy, a small section of the
Whigs, etc. In the United States this use is less
common, but another use, unknown or but little known
in England, is very frequent, as in the phrases ``the
eastern section of our country,' etc., the same sense
being also given to the adjective sectional as,
sectional feelings, interests, etc. Conic sectionsConic Con"ic, Conical Con"ic*al, a. [Gr. ?: cf. F. conique.
See Cone.]
1. Having the form of, or resembling, a geometrical cone;
round and tapering to a point, or gradually lessening in
circumference; as, a conic or conical figure; a conical
vessel.
2. Of or pertaining to a cone; as, conic sections.
Conic section (Geom.), a curved line formed by the
intersection of the surface of a right cone and a plane.
The conic sections are the parabola, ellipse, and
hyperbola. The right lines and the circle which result
from certain positions of the plane are sometimes, though
not generally included.
Conic sections, that branch of geometry which treats of the
parabola, ellipse, and hyperbola.
Conical pendulum. See Pendulum.
Conical projection, a method of delineating the surface of
a sphere upon a plane surface as if projected upon the
surface of a cone; -- much used by makers of maps in
Europe.
Conical surface (Geom.), a surface described by a right
line moving along any curve and always passing through a
fixed point that is not in the plane of that curve. DissectionDissection Dis*sec"tion, n. [Cf. F. dissection.]
1. The act of dissecting an animal or plant; as, dissection
of the human body was held sacrilege till the time of
Francis I.
2. Fig.: The act of separating or dividing for the purpose of
critical examination.
3. Anything dissected; especially, some part, or the whole,
of an animal or plant dissected so as to exhibit the
structure; an anatomical so prepared.
Dissection wound, a poisoned wound incurred during the
dissection of a dead body. Dissection woundDissection Dis*sec"tion, n. [Cf. F. dissection.]
1. The act of dissecting an animal or plant; as, dissection
of the human body was held sacrilege till the time of
Francis I.
2. Fig.: The act of separating or dividing for the purpose of
critical examination.
3. Anything dissected; especially, some part, or the whole,
of an animal or plant dissected so as to exhibit the
structure; an anatomical so prepared.
Dissection wound, a poisoned wound incurred during the
dissection of a dead body. Hemisection
Hemisection Hem`i*sec"tion, n. (Anat.)
A division along the mesial plane; also, one of the parts so
divided.
InsectionInsection In*sec"tion, n. [See Insect.]
A cutting in; incisure; incision. Intersection
Intersection In`ter*sec"tion, n. [L. intersectio: cf. F.
intersection.]
1. The act, state, or place of intersecting.
2. (Geom.) The point or line in which one line or surface
cuts another.
Intersectional
Intersectional In`ter*sec"tion*al, a.
Pertaining to, or formed by, intersections.
Principal sectionPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Quadrisection
Quadrisection Quad`ri*sec"tion, n. [Quadri- + section.]
A subdivision into four parts.
SectionSection Sec"tion, n. [L. sectio, fr. secare, sectum, to cut;
akin to E. saw a cutting instrument: cf. F. section. See
Saw, and cf. Scion, Dissect, Insect, Secant,
Segment.]
1. The act of cutting, or separation by cutting; as, the
section of bodies.
2. A part separated from something; a division; a portion; a
slice. Specifically:
(a) A distinct part or portion of a book or writing; a
subdivision of a chapter; the division of a law or
other writing; a paragraph; an article; hence, the
character [sect], often used to denote such a
division.
It is hardly possible to give a distinct view of
his several arguments in distinct sections.
--Locke.
(b) A distinct part of a country or people, community,
class, or the like; a part of a territory separated by
geographical lines, or of a people considered as
distinct.
The extreme section of one class consists of
bigoted dotards, the extreme section of the
other consists of shallow and reckless empirics.
--Macaulay.
(c) One of the portions, of one square mile each, into
which the public lands of the United States are
divided; one thirty-sixth part of a township. These
sections are subdivided into quarter sections for sale
under the homestead and pre["e]mption laws.
3. (Geom.) The figure made up of all the points common to a
superficies and a solid which meet, or to two superficies
which meet, or to two lines which meet. In the first case
the section is a superficies, in the second a line, and in
the third a point.
4. (Nat. Hist.) A division of a genus; a group of species
separated by some distinction from others of the same
genus; -- often indicated by the sign [sect].
5. (Mus.) A part of a musical period, composed of one or more
phrases. See Phrase.
6. The description or representation of anything as it would
appear if cut through by any intersecting plane; depiction
of what is beyond a plane passing through, or supposed to
pass through, an object, as a building, a machine, a
succession of strata; profile.
Note: In mechanical drawing, as in these Illustrations of a
cannon, a longitudinal section (a) usually represents
the object as cut through its center lengthwise and
vertically; a cross or transverse section (b), as cut
crosswise and vertically; and a horizontal section (c),
as cut through its center horizontally. Oblique
sections are made at various angles. In architecture, a
vertical section is a drawing showing the interior, the
thickness of the walls, ets., as if made on a vertical
plane passed through a building.
Angular sections (Math.), a branch of analysis which treats
of the relations of sines, tangents, etc., of arcs to the
sines, tangents, etc., of their multiples or of their
parts. [R.]
Conic sections. (Geom.) See under Conic.
Section liner (Drawing), an instrument to aid in drawing a
series of equidistant parallel lines, -- used in
representing sections.
Thin sections, a section or slice, as of mineral, animal,
or vegetable substance, thin enough to be transparent, and
used for study under the microscope.
Syn: Part; portion; division.
Usage: Section, Part. The English more commonly apply the
word section to a part or portion of a body of men;
as, a section of the clergy, a small section of the
Whigs, etc. In the United States this use is less
common, but another use, unknown or but little known
in England, is very frequent, as in the phrases ``the
eastern section of our country,' etc., the same sense
being also given to the adjective sectional as,
sectional feelings, interests, etc. Section linerSection Sec"tion, n. [L. sectio, fr. secare, sectum, to cut;
akin to E. saw a cutting instrument: cf. F. section. See
Saw, and cf. Scion, Dissect, Insect, Secant,
Segment.]
1. The act of cutting, or separation by cutting; as, the
section of bodies.
2. A part separated from something; a division; a portion; a
slice. Specifically:
(a) A distinct part or portion of a book or writing; a
subdivision of a chapter; the division of a law or
other writing; a paragraph; an article; hence, the
character [sect], often used to denote such a
division.
It is hardly possible to give a distinct view of
his several arguments in distinct sections.
--Locke.
(b) A distinct part of a country or people, community,
class, or the like; a part of a territory separated by
geographical lines, or of a people considered as
distinct.
The extreme section of one class consists of
bigoted dotards, the extreme section of the
other consists of shallow and reckless empirics.
--Macaulay.
(c) One of the portions, of one square mile each, into
which the public lands of the United States are
divided; one thirty-sixth part of a township. These
sections are subdivided into quarter sections for sale
under the homestead and pre["e]mption laws.
3. (Geom.) The figure made up of all the points common to a
superficies and a solid which meet, or to two superficies
which meet, or to two lines which meet. In the first case
the section is a superficies, in the second a line, and in
the third a point.
4. (Nat. Hist.) A division of a genus; a group of species
separated by some distinction from others of the same
genus; -- often indicated by the sign [sect].
5. (Mus.) A part of a musical period, composed of one or more
phrases. See Phrase.
6. The description or representation of anything as it would
appear if cut through by any intersecting plane; depiction
of what is beyond a plane passing through, or supposed to
pass through, an object, as a building, a machine, a
succession of strata; profile.
Note: In mechanical drawing, as in these Illustrations of a
cannon, a longitudinal section (a) usually represents
the object as cut through its center lengthwise and
vertically; a cross or transverse section (b), as cut
crosswise and vertically; and a horizontal section (c),
as cut through its center horizontally. Oblique
sections are made at various angles. In architecture, a
vertical section is a drawing showing the interior, the
thickness of the walls, ets., as if made on a vertical
plane passed through a building.
Angular sections (Math.), a branch of analysis which treats
of the relations of sines, tangents, etc., of arcs to the
sines, tangents, etc., of their multiples or of their
parts. [R.]
Conic sections. (Geom.) See under Conic.
Section liner (Drawing), an instrument to aid in drawing a
series of equidistant parallel lines, -- used in
representing sections.
Thin sections, a section or slice, as of mineral, animal,
or vegetable substance, thin enough to be transparent, and
used for study under the microscope.
Syn: Part; portion; division.
Usage: Section, Part. The English more commonly apply the
word section to a part or portion of a body of men;
as, a section of the clergy, a small section of the
Whigs, etc. In the United States this use is less
common, but another use, unknown or but little known
in England, is very frequent, as in the phrases ``the
eastern section of our country,' etc., the same sense
being also given to the adjective sectional as,
sectional feelings, interests, etc. Sectional
Sectional Sec"tion*al, a.
1. Of or pertaining to a sections or distinct part of larger
body or territory; local.
All sectional interests, or party feelings, it is
hoped, will hereafter yield to schemes of ambition.
--Story.
2. Consisting of sections, or capable of being divided into
sections; as, a sectional steam boiler.
Sectional boilerBoiler Boil"er, n.
1. One who boils.
2. A vessel in which any thing is boiled.
Note: The word boiler is a generic term covering a great
variety of kettles, saucepans, clothes boilers,
evaporators, coppers, retorts, etc.
3. (Mech.) A strong metallic vessel, usually of wrought iron
plates riveted together, or a composite structure
variously formed, in which steam is generated for driving
engines, or for heating, cooking, or other purposes.
Note: The earliest steam boilers were usually spheres or
sections of spheres, heated wholly from the outside.
Watt used the wagon boiler (shaped like the top of a
covered wagon) which is still used with low pressures.
Most of the boilers in present use may be classified as
plain cylinder boilers, flue boilers, sectional and
tubular boilers.
Barrel of a boiler, the cylindrical part containing the
flues.
Boiler plate, Boiler iron, plate or rolled iron of about
a quarter to a half inch in thickness, used for making
boilers and tanks, for covering ships, etc.
Cylinder boiler, one which consists of a single iron
cylinder.
Flue boilers are usually single shells containing a small
number of large flues, through which the heat either
passes from the fire or returns to the chimney, and
sometimes containing a fire box inclosed by water.
Locomotive boiler, a boiler which contains an inclosed fire
box and a large number of small flues leading to the
chimney.
Multiflue boiler. Same as Tubular boiler, below.
Sectional boiler, a boiler composed of a number of
sections, which are usually of small capacity and similar
to, and connected with, each other. By multiplication of
the sections a boiler of any desired capacity can be built
up.
Tubular boiler, a boiler containing tubes which form flues,
and are surrounded by the water contained in the boiler.
See Illust. of Steam boiler, under Steam.
Tubulous boiler. See under Tubulous. See Tube, n., 6,
and 1st Flue. Sectional dockDock Dock, n. [Akin to D. dok; of uncertain origin; cf. LL.
doga ditch, L. doga ditch, L. doga sort of vessel, Gr. ?
receptacle, fr. ? to receive.]
1. An artificial basin or an inclosure in connection with a
harbor or river, -- used for the reception of vessels, and
provided with gates for keeping in or shutting out the
tide.
2. The slip or water way extending between two piers or
projecting wharves, for the reception of ships; --
sometimes including the piers themselves; as, to be down
on the dock.
3. The place in court where a criminal or accused person
stands.
Balance dock, a kind of floating dock which is kept level
by pumping water out of, or letting it into, the
compartments of side chambers.
Dry dock, a dock from which the water may be shut or pumped
out, especially, one in the form of a chamber having walls
and floor, often of masonry and communicating with deep
water, but having appliances for excluding it; -- used in
constructing or repairing ships. The name includes
structures used for the examination, repairing, or
building of vessels, as graving docks, floating docks,
hydraulic docks, etc.
Floating dock, a dock which is made to become buoyant, and,
by floating, to lift a vessel out of water.
Graving dock, a dock for holding a ship for graving or
cleaning the bottom, etc.
Hydraulic dock, a dock in which a vessel is raised clear of
the water by hydraulic presses.
Naval dock, a dock connected with which are naval stores,
materials, and all conveniences for the construction and
repair of ships.
Sectional dock, a form of floating dock made in separate
sections or caissons.
Slip dock, a dock having a sloping floor that extends from
deep water to above high-water mark, and upon which is a
railway on which runs a cradle carrying the ship.
Wet dock, a dock where the water is shut in, and kept at a
given level, to facilitate the loading and unloading of
ships; -- also sometimes used as a place of safety; a
basin. Sectionalism
Sectionalism Sec"tion*al*ism, n.
A disproportionate regard for the interests peculiar to a
section of the country; local patriotism, as distinguished
from national. [U. S.]
Sectionality
Sectionality Sec"tion*al"i*ty, n.
The state or quality of being sectional; sectionalism.
Sectionalize
Sectionalize Sec"tion*al*ize, v. t.
To divide according to gepgraphical sections or local
interests. [U. S.]
The principal results of the struggle were to
sectionalize parties. --Nicilay &
Hay (Life of
Lincoln).
Sectionally
Sectionally Sec"tion*al*ly, adv.
In a sectional manner.
Sectionize
Sectionize Sec"tion*ize, v. t.
To form into sections. [R.]
SentisectionSentisection Sen`ti*sec"tion, n. [L. sentire to feel + E.
section.]
Painful vivisection; -- opposed to callisection. --B. G.
Wilder. Thin sectionThin Thin, a. [Compar. Thiner; superl. Thinest.] [OE.
thinne, thenne, thunne, AS. [thorn]ynne; akin to D. dun, G.
d["u]nn, OHG. dunni, Icel. [thorn]unnr, Sw. tunn, Dan. tynd,
Gael. & Ir. tana, W. teneu, L. tenuis, Gr. ? (in comp.)
stretched out, ? stretched, stretched out, long, Skr. tanu
thin, slender; also to AS. ?enian to extend, G. dehnen, Icel.
?enja, Goth. ?anjan (in comp.), L. tendere to stretch, tenere
to hold, Gr. ? to stretch, Skr. tan. [root]51 & 237. Cf.
Attenuate, Dance, Tempt, Tenable, Tend to move,
Tenous, Thunder, Tone.]
1. Having little thickness or extent from one surface to its
opposite; as, a thin plate of metal; thin paper; a thin
board; a thin covering.
2. Rare; not dense or thick; -- applied to fluids or soft
mixtures; as, thin blood; thin broth; thin air. --Shak.
In the day, when the air is more thin. --Bacon.
Satan, bowing low His gray dissimulation,
disappeared, Into thin air diffused. --Milton.
3. Not close; not crowded; not filling the space; not having
the individuals of which the thing is composed in a close
or compact state; hence, not abundant; as, the trees of a
forest are thin; the corn or grass is thin.
Ferrara is very large, but extremely thin of people.
--Addison.
4. Not full or well grown; wanting in plumpness.
Seven thin ears . . . blasted with the east wind.
--Gen. xli. 6.
5. Not stout; slim; slender; lean; gaunt; as, a person
becomes thin by disease.
6. Wanting in body or volume; small; feeble; not full.
Thin, hollow sounds, and lamentable screams.
--Dryden.
7. Slight; small; slender; flimsy; wanting substance or depth
or force; superficial; inadequate; not sufficient for a
covering; as, a thin disguise.
My tale is done, for my wit is but thin. --Chaucer.
Note: Thin is used in the formation of compounds which are
mostly self-explaining; as, thin-faced, thin-lipped,
thin-peopled, thin-shelled, and the like.
Thin section. See under Section. Thin sectionsSection Sec"tion, n. [L. sectio, fr. secare, sectum, to cut;
akin to E. saw a cutting instrument: cf. F. section. See
Saw, and cf. Scion, Dissect, Insect, Secant,
Segment.]
1. The act of cutting, or separation by cutting; as, the
section of bodies.
2. A part separated from something; a division; a portion; a
slice. Specifically:
(a) A distinct part or portion of a book or writing; a
subdivision of a chapter; the division of a law or
other writing; a paragraph; an article; hence, the
character [sect], often used to denote such a
division.
It is hardly possible to give a distinct view of
his several arguments in distinct sections.
--Locke.
(b) A distinct part of a country or people, community,
class, or the like; a part of a territory separated by
geographical lines, or of a people considered as
distinct.
The extreme section of one class consists of
bigoted dotards, the extreme section of the
other consists of shallow and reckless empirics.
--Macaulay.
(c) One of the portions, of one square mile each, into
which the public lands of the United States are
divided; one thirty-sixth part of a township. These
sections are subdivided into quarter sections for sale
under the homestead and pre["e]mption laws.
3. (Geom.) The figure made up of all the points common to a
superficies and a solid which meet, or to two superficies
which meet, or to two lines which meet. In the first case
the section is a superficies, in the second a line, and in
the third a point.
4. (Nat. Hist.) A division of a genus; a group of species
separated by some distinction from others of the same
genus; -- often indicated by the sign [sect].
5. (Mus.) A part of a musical period, composed of one or more
phrases. See Phrase.
6. The description or representation of anything as it would
appear if cut through by any intersecting plane; depiction
of what is beyond a plane passing through, or supposed to
pass through, an object, as a building, a machine, a
succession of strata; profile.
Note: In mechanical drawing, as in these Illustrations of a
cannon, a longitudinal section (a) usually represents
the object as cut through its center lengthwise and
vertically; a cross or transverse section (b), as cut
crosswise and vertically; and a horizontal section (c),
as cut through its center horizontally. Oblique
sections are made at various angles. In architecture, a
vertical section is a drawing showing the interior, the
thickness of the walls, ets., as if made on a vertical
plane passed through a building.
Angular sections (Math.), a branch of analysis which treats
of the relations of sines, tangents, etc., of arcs to the
sines, tangents, etc., of their multiples or of their
parts. [R.]
Conic sections. (Geom.) See under Conic.
Section liner (Drawing), an instrument to aid in drawing a
series of equidistant parallel lines, -- used in
representing sections.
Thin sections, a section or slice, as of mineral, animal,
or vegetable substance, thin enough to be transparent, and
used for study under the microscope.
Syn: Part; portion; division.
Usage: Section, Part. The English more commonly apply the
word section to a part or portion of a body of men;
as, a section of the clergy, a small section of the
Whigs, etc. In the United States this use is less
common, but another use, unknown or but little known
in England, is very frequent, as in the phrases ``the
eastern section of our country,' etc., the same sense
being also given to the adjective sectional as,
sectional feelings, interests, etc.
Meaning of Sectio from wikipedia
-
Leonardo da Vinci, who
illustrated Pacioli's book,
called the
ratio the
sectio aurea ('golden section').
Though it is
often said that
Pacioli advocated...
- In
biology a
section (Latin:
sectio) is a
taxonomic rank that is
applied differently in
botany and zoology.
Within flora (plants), 'section'
refers to...
- Curie-Sklodowska
sectio A –
Mathematica (ISSN 0365-1029)
sectio AA –
Chemia (ISSN 0137-6853
sectio AAA –
Physica (ISSN 0137-6861)
sectio B – Geographia...
-
Populus section Aigeiros is a
section of
three species in the
genus Populus, the poplars. Like some
other species in the
genus Populus, they are commonly...
-
Vivisection (from
Latin vivus 'alive', and
sectio 'cutting') is
surgery conducted for
experimental purposes on a
living organism,
typically animals with...
-
subtribus further ‑inae
genus (genus)
primary —
subgenus further —
section (
sectio)
secondary —
subsectio further —
series (series)
secondary —
subseries further...
- (1857)
Parmelia fascicularis var.
conglomerata (Hoffm.) Ach., Methodus,
Sectio prior: 240 (1803)
Parmelia nigrescens var.
conglomerata (Hoffm.) Schaer...
- In botany, a
section (Latin:
sectio) is a
taxonomic rank
below the genus, but
above the species. The subgenus, if present, is
higher than the section,...
- 2009 2011
Rebutia K. Schum.
Rebutia sectio Rebutia Rebutia Rebutia subg.
Rebutia Rebutia Aylostera Speg.
Rebutia sectio Aylostera Rebutia Aylostera subg...
- of the circle" (PDF).
Annales Universitatis Scientiarum Budapestiensis (
Sectio Com****torica). 4: 75–83.
Eymard &
Lafon 2004, pp. 53–54 Cooker, M.J. (2011)...
