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OF or pertaining to rotary motion; having power to draw out or turn round. "By art trochilic." Camden.

The science of rotary motion, or of wheel work. Wilkins.

Admitting of rotation on an axis; -- sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column.

A trolley. Troll plate (Mach.), a rotative disk with spiral ribs or grooves, by which several pieces, as the jaws of a chuck, can be brought together or spread radially.

low sides, on which heavy guns are mounted within one or more iron turrets, which may be rotated, so that the guns may be made to bear in any required direction.

The act of twirling; a rapid circular motion; a whirl or whirling; quick rotation.

vance used for joining two shafts or parts of a machine endwise, so that the one may give rotary motion to the other when forming an angle with it, or may move freely in all directions with respect to the other, as by means of a cross connecting the forked ends of the two shafts (Fig. 1). Since this joint can not act w…

c acid), obtained as a white crystalline substance by the decomposition of tartaric and pyrotartaric acids.

an acid which is obtained as a white crystalline substance by the action of ammonia on pyrotartaric acid.

h turns the plane of polarization to the right, although formed by the oxidation of a levorotatory amyl alcohol.

The quality or power of turning; revolution; rotation. [R.] Locke. I hardly believe he hath from elder times unknown the verticity of the loadstone. Sir T. Browne.

Turning round; whirling; rotary; revolving; as, vertiginous motion. Some vertiginous whirl of fortune. De Quincey.

An arrow, having a rotary motion, formerly used with the crossbow. Cf. Vireton. Gower.

Easily rolling or turning; easily set in motion; apt to roll; rotating; as, voluble particles of matter.

A supposed collection of particles of very subtile matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or a planet. Descartes attempted to account for the formation of the universe, and the movements of the bodies composing it, by a theory of vortices.

A line, within a rotating fluid, whose tangent at every point is the instantaneous axis of rotation as that point of the fluid.

A ring-shaped mass of moving fluid which, by virtue of its motion of rotation around an axis disposed in circular form, attains a more or less distinct separation from the surrounding medium and has many of the properties of a solid.

An imaginary tube within a rotating fluid, formed by drawing the vortex lines through all points of a closed curve.

ggeringly or unsteadily from one side to the other; to vacillate; to move the manner of a rotating disk when the axis of rotation is inclined to that of the disk; -- said of a turning or whirling body; as, a top wabbles; a buzz saw wabbles. wobble.

The water chevrotain.