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AEgrotat
AEgrotat [AE]*gro"tat, n. [L., he is sick.] (Camb. Univ.)
A medical certificate that a student is ill.
Circumrotate
Circumrotate Cir`cum*ro"tate, v. t. & i. [L. circumrotare;
circum + rotare to turn round.]
To rotate about. [R.]
Circumrotation
Circumrotation Cir`cum*ro*ta"tion, n.
The act of rolling or revolving round, as a wheel;
circumvolution; the state of being whirled round. --J.
Gregory.
Circumrotatory
Circumrotary Cir`cum*ro"tary, Circumrotatory
Cir`cum*ro"ta*to*ry, a. [Pref. circum- + rotary, rotatory.]
turning, rolling, or whirling round.
Contrarotation
Contrarotation Con`tra*ro*ta"tion, n.
Circular motion in a direction contrary to some other
circular motion.
DextrorotatoryDextrorotatory Dex`tro*ro"ta*to*ry, a. [Dextro- + rotatory.]
(Chem. & Opt.)
Turning, or causing to turn, toward the right hand; esp.,
turning the plane of polarization of luminous rays toward the
right hand; as, dextrorotatory crystals, sugars, etc. Cf.
Levorotatory. Irrotational
Irrotational Ir`ro*ta"tion*al, a. (Physics)
Not rotatory; passing from one point to another by a movement
other than rotation; -- said of the movement of parts of a
liquid or yielding mass. --Sir W. Thomson.
laevorotationLevorotation Le`vo*ro*ta"tion, n. [Written also
l[ae]vorotation.] [Levo- + rotation.] (Physics & Chem.)
Rotation in the direction of an outgoing right-handed screw;
counter-clockwise rotation; -- applied chiefly to the turning
of the plane of polarization of light. laevorotatoryLevorotatory Le`vo*ro"ta*to*ry (-r[=o]"t[.a]*t[-o]*r[y^]), a.
[Levo- + rotatory.] (Chem. & Physics)
Turning or rotating the plane of polarization towards the
left; levogyrate, as levulose, left-handed quartz crystals,
etc. [Written also l[ae]vorotatory.] LevorotationLevorotation Le`vo*ro*ta"tion, n. [Written also
l[ae]vorotation.] [Levo- + rotation.] (Physics & Chem.)
Rotation in the direction of an outgoing right-handed screw;
counter-clockwise rotation; -- applied chiefly to the turning
of the plane of polarization of light. LevorotatoryLevorotatory Le`vo*ro"ta*to*ry (-r[=o]"t[.a]*t[-o]*r[y^]), a.
[Levo- + rotatory.] (Chem. & Physics)
Turning or rotating the plane of polarization towards the
left; levogyrate, as levulose, left-handed quartz crystals,
etc. [Written also l[ae]vorotatory.] moment of rotationMoment Mo"ment, n. [F. moment, L. momentum, for movimentum
movement, motion, moment, fr. movere to move. See Move, and
cf. Momentum, Movement.]
1. A minute portion of time; a point of time; an instant; as,
at thet very moment.
In a moment, in the twinkling of an eye. --1 Cor.
xv. 52.
2. Impulsive power; force; momentum.
The moments or quantities of motion in bodies.
--Berkley.
Touch, with lightest moment of impulse, His free
will. --Milton.
3. Importance, as in influence or effect; consequence; weight
or value; consideration.
Matters of great moment. --Shak.
It is an abstruse speculation, but also of far less
moment and consequence of us than the others.
--Bentley.
4. An essential element; a deciding point, fact, or
consideration; an essential or influential circumstance.
5. (Math.) An infinitesimal change in a varying quantity; an
increment or decrement. [Obs.]
6. (Mech.) Tendency, or measure of tendency, to produce
motion, esp. motion about a fixed point or axis.
Moment of a couple (Mech.), the product of either of its
forces into the perpendicular distance between them.
Moment of a force. (Mech.)
(a) With respect to a point, the product of the intensity
of the force into the perpendicular distance from the
point to the line of direction of the force.
(b) With respect to a line, the product of that component
of the force which is perpendicular to the plane
passing through the line and the point of application
of the force, into the shortest distance between the
line and this point.
(c) With respect to a plane that is parallel to the force,
the product of the force into the perpendicular
distance of its point of application from the plane.
Moment of inertia, of a rotating body, the sum of the mass
of each particle of matter of the body into the square of
its distance from the axis of rotation; -- called also
moment of rotation and moment of the mass.
Statical moment, the product of a force into its leverage;
the same as moment of a force with respect to a point,
line, etc.
Virtual moment. See under Virtual.
Syn: Instant; twinkling; consequence; weight; force; value;
consideration; signification; avail. Moment of rotationRotation Ro*ta"tion, n. [L. rotatio: cf. F. rotation.]
1. The act of turning, as a wheel or a solid body on its
axis, as distinguished from the progressive motion of a
revolving round another body or a distant point; thus, the
daily turning of the earth on its axis is a rotation; its
annual motion round the sun is a revolution.
2. Any return or succesion in a series.
Moment of rotation. See Moment of inertia, under
Moment.
Rotation in office, the practice of changing public
officers at frequent intervals by discharges and
substitutions.
Rotation of crops, the practices of cultivating an orderly
succession of different crops on the same land. Protatic
Protatic Pro*tat"ic, a. [Gr. ?: cf. L. protaticus, F.
protatique.]
Of or pertaining to the protasis of an ancient play;
introductory.
RotateRotate Ro"tate, v. i. [imp. & p. p. Rotated; p. pr. & vb. n.
Rotating.]
1. To turn, as a wheel, round an axis; to revolve.
2. To perform any act, function, or operation in turn, to
hold office in turn; as, to rotate in office. RotateRotate Ro"tate, a. [L. rotatus, p. p. of rotare to turn round
like a wheel, fr. rota wheel. See Rotary, and cf. Roue.]
Having the parts spreading out like a wheel; wheel-shaped;
as, a rotate spicule or scale; a rotate corolla, i.e., a
monopetalous corolla with a flattish border, and no tube or a
very short one. RotatedRotate Ro"tate, v. i. [imp. & p. p. Rotated; p. pr. & vb. n.
Rotating.]
1. To turn, as a wheel, round an axis; to revolve.
2. To perform any act, function, or operation in turn, to
hold office in turn; as, to rotate in office. Rotated
Rotated Ro"ta*ted, a.
Turned round, as a wheel; also, wheel-shaped; rotate.
RotatingRotate Ro"tate, v. i. [imp. & p. p. Rotated; p. pr. & vb. n.
Rotating.]
1. To turn, as a wheel, round an axis; to revolve.
2. To perform any act, function, or operation in turn, to
hold office in turn; as, to rotate in office. RotationRotation Ro*ta"tion, n. [L. rotatio: cf. F. rotation.]
1. The act of turning, as a wheel or a solid body on its
axis, as distinguished from the progressive motion of a
revolving round another body or a distant point; thus, the
daily turning of the earth on its axis is a rotation; its
annual motion round the sun is a revolution.
2. Any return or succesion in a series.
Moment of rotation. See Moment of inertia, under
Moment.
Rotation in office, the practice of changing public
officers at frequent intervals by discharges and
substitutions.
Rotation of crops, the practices of cultivating an orderly
succession of different crops on the same land. Rotation
Rotation Ro*ta"tion, a.
Pertaining to, or resulting from, rotation; of the nature of,
or characterized by, rotation; as, rotational velocity.
Rotation in officeRotation Ro*ta"tion, n. [L. rotatio: cf. F. rotation.]
1. The act of turning, as a wheel or a solid body on its
axis, as distinguished from the progressive motion of a
revolving round another body or a distant point; thus, the
daily turning of the earth on its axis is a rotation; its
annual motion round the sun is a revolution.
2. Any return or succesion in a series.
Moment of rotation. See Moment of inertia, under
Moment.
Rotation in office, the practice of changing public
officers at frequent intervals by discharges and
substitutions.
Rotation of crops, the practices of cultivating an orderly
succession of different crops on the same land. Rotation of cropsRotation Ro*ta"tion, n. [L. rotatio: cf. F. rotation.]
1. The act of turning, as a wheel or a solid body on its
axis, as distinguished from the progressive motion of a
revolving round another body or a distant point; thus, the
daily turning of the earth on its axis is a rotation; its
annual motion round the sun is a revolution.
2. Any return or succesion in a series.
Moment of rotation. See Moment of inertia, under
Moment.
Rotation in office, the practice of changing public
officers at frequent intervals by discharges and
substitutions.
Rotation of crops, the practices of cultivating an orderly
succession of different crops on the same land. RotativeRotative Ro"ta*tive, a. [Cf. F. rotatif.]
turning, as a wheel; rotary; rotational.
This high rotative velocity of the sun must cause an
equatorial rise of the solar atmosphere. --Siemens.
Rotative engine, a steam engine in which the reciprocating
motion of the piston is transformed into a continuous
rotary motion, as by means of a connecting rod, a working
beam and crank, or an oscillating cylinder. Rotative engineRotative Ro"ta*tive, a. [Cf. F. rotatif.]
turning, as a wheel; rotary; rotational.
This high rotative velocity of the sun must cause an
equatorial rise of the solar atmosphere. --Siemens.
Rotative engine, a steam engine in which the reciprocating
motion of the piston is transformed into a continuous
rotary motion, as by means of a connecting rod, a working
beam and crank, or an oscillating cylinder. Rotator
Rotator Ro*ta"tor, n. [L.]
1. (Anat.) that which gives a rotary or rolling motion, as a
muscle which partially rotates or turns some part on its
axis.
2. (Metal.) A revolving reverberatory furnace.
RotatoriaRotatoria Ro`ta*to"ri*a, n. pl. [NL.] (Zo["o]l.)
Same as Rotifera. RotatoryRotatory Ro"ta*to*ry, a. [Cf. F. rotatoire. See Rotate,
Rotary.]
1. Turning as on an axis; rotary.
2. Going in a circle; following in rotation or succession;
as, rotatory assembles. --Burke.
3. (Opt.) Producing rotation of the plane of polarization;
as, the rotatory power of bodies on light. See the Note
under polarization. --Nichol. Rotatory
Rotatory Ro"ta*to*ry, n. (Zo["o]l.)
A rotifer. [R.] --Kirby.
Meaning of Rotat from wikipedia
