MOTION n.
The act, process, or state of changing place or position; movement; the passing of a body from one place or position to another, whether voluntary or involuntary; -- opposed to rest. Speaking or mute, all comeliness and grace attends thee, and each word, each motion, forms. Milton.
MOVABLE a.
Changing from one time to another; as, movable feasts, i. e., church festivals, the date of which varies from year to year. Movable letter (Heb. Gram.), a letter that is pronounced, as opposed to one that is quiescent.
PARACENTRIC; PARACENTRICAL a.
Deviating from circularity; changing the distance from a center. Paracentric curve (Math.), a curve having the property that, when its plane is placed vertically, a body descending along it, by the force of gravity, will approach to, or recede from, a fixed point or center, by equal distances in equal times; -- called…