paracentric

Definition of paracentric

par`a`cen´tric Pronunciation: păr`å`sĕn´trĭk

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 also a paracentric.

Paracentric motion
the motion or velocity of a revolving body, such as a planet, by which it approaches to, or recedes from, the center, without reference to its motion in space, or to its motion as reckoned in any other direction.

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