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...

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

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

Equirotal :: Equirotal (a.) Having wheels of the same size or diameter; having equal rotation.

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..

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

Twirl :: Twirl (n.) The act of twirling; a rapid circular motion; a whirl or whirling; quick rotation.

Roll :: Roll (v. i.) To move, as a curved object may, along a surface by rotation without sliding; to revolve upon an axis; to turn over and over; as, a ball or wheel rolls on the earth; a body rolls on an inclined plane..

Whirl :: Whirl (v. t.) A turning with rapidity or velocity; rapid rotation or circumvolution; quick gyration; rapid or confusing motion; as, the whirl of a top; the whirl of a wheel..

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

Rotative :: Rotative (a.) turning, as a wheel; rotary; rotational..

Following :: Following (a.) (In the field of a telescope) In the direction from which stars are apparently moving (in consequence of the earth's rotation); as, a small star, north following or south following. In the direction toward which stars appear to move is called preceding..

Orientation :: Orientation (n.) The tendency of a revolving body, when suspended in a certain way, to bring the axis of rotation into parallelism with the earth's axis..

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.

Contrarotation :: Contrarotation (n.) Circular motion in a direction contrary to some other circular motion.

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

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..

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..

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

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..

Wheel :: Wheel (n.) A turn revolution; rotation; compass.

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