Definition of Thin sections. Meaning of Thin sections. Synonyms of Thin sections
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Definition of Thin sections
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,
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
(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
It is hardly possible to give a distinct view of
his several arguments in distinct sections.
(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
The extreme section of one class consists of
bigoted dotards, the extreme section of the
other consists of shallow and reckless empirics.
(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
Conic sections. (Geom.) See under Conic.
Section liner (Drawing), an instrument to aid in drawing a
series of equidistant parallel lines, -- used in
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. 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.
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.
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.
Meaning of Thin sections from wikipedia
- In optical mineralogy
and petrography, a thin section
(or petrographic thin section
) is a thin slice
of a rock or mineral
in a laboratory...
- an industrial grade diamond knife
to cut survey sections prior
to thin sectioning
. These survey sections
0.5 to 1 μm thick
and are mounted...
- and cells; fixation
also hardens tissues which
aids in cutting
the thin sections
of tissue needed
for observation under
the microscope. Fixatives
may have different airfoil sections along
the wing span, each one optimized
for the conditions
in each section
of the wing. Movable
specimens, but sections
and soft metals
can also be prepared. Sections
must be very thin because
the 50 to 125 kV electrons...
- serial-section electron microscopy
(ssEM), for example
in volumetric samples
of brain tissue
many thin sections
and optical mineralogy
to identify rocks
in thin sections
. The microscope
is used in optical mineralogy
and petrography, a branch...
- Thin Lizzy
are an Irish
hard rock band formed
in 1969. Their music reflects
a wide range
of influences, including
blues, soul music, psychedelic...
- properties. Most commonly, rock and mineral samples
as thin sections
or grain mounts
in the laboratory
with a petrographic
is an iron carbonate
and it has a very high birefringence. The thin sections often reveal marine fauna within oolitic
ironstones. In older
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