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paracentrical |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Paracentric \Par`a*cen"tric\, Paracentrical \Par`a*cen"tric*al\, a. [Pref. para- + centric, -ical: cf F. paracentrique.] 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 also a {paracentric}. {Paracentric motton} or {velocity}, the motion or velocity of a revolving body, 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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