paracentric
paracentric (par`ȧ*sen"trik) , adjective
[Prefix para- + centric, -ical: compare French paracentrique.]
Deviating from circularity; changing the distance from a center.
Collocations (2)
Paracentric curve (Mathematics) , 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 or Paracentric velocity , 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.
Also: paracentrical