Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of rotation is as below...

Verticity :: Verticity (n.) The quality or power of turning; revolution; rotation.

Paraboloid :: Paraboloid (n.) The solid generated by the rotation of a parabola about its axis; any surface of the second order whose sections by planes parallel to a given line are parabolas.

Rotation :: Rotation (n.) Any return or succesion in a series.

Circumrotation :: Circumrotation (n.) The act of rolling or revolving round, as a wheel; circumvolution; the state of being whirled round..

Revolution :: Revolution (n.) The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or line; rotation; as, the revolution of a wheel, of a top, of the earth on its axis, etc..

Translation :: Translation (n.) Motion in which all the points of the moving body have at any instant the same velocity and direction of motion; -- opposed to rotation.

Gyroscope :: Gyroscope (n.) A form of the above apparatus, invented by M. Foucault, mounted so delicately as to render visible the rotation of the earth, through the tendency of the rotating wheel to preserve a constant plane of rotation, independently of the earth's motion..

Gyration :: Gyration (n.) The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution..

Glissette :: Glissette (n.) The locus described by any point attached to a curve that slips continuously on another fixed curve, the movable curve having no rotation at any instant..

Operameter :: Operameter (n.) An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter..

Rotation :: Rotation (n.) 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..

Cycloscope :: Cycloscope (n.) A machine for measuring at any moment velocity of rotation, as of a wheel of a steam engine..

Circumduction :: Circumduction (n.) The rotation of a limb round an imaginary axis, so as to describe a concial surface..

Rotatory :: Rotatory (a.) Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization..

Rote :: Rote (v. i.) To go out by rotation or succession; to rotate.

Wheely :: Wheely (a.) Circular; suitable to rotation.

Tachometer :: Tachometer (n.) An instrument for measuring the velocity of running water in a river or canal, consisting of a wheel with inclined vanes, which is turned by the current. The rotations of the wheel are recorded by clockwork..

Gyroscope :: Gyroscope (n.) A rotating wheel, mounted in a ring or rings, for illustrating the dynamics of rotating bodies, the composition of rotations, etc. It was devised by Professor W. R. Johnson, in 1832, by whom it was called the rotascope..

Rotatory :: Rotatory (a.) Going in a circle; following in rotation or succession; as, rotatory assembles..

Screw :: Screw (n.) A straight line in space with which a definite linear magnitude termed the pitch is associated (cf. 5th Pitch, 10 (b)). It is used to express the displacement of a rigid body, which may always be made to consist of a rotation about an axis combined with a translation parallel to that axis..

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