Definify.com
Webster 1913 Edition
paracentrical
{
parˊa-cen′tric
(părˊȧ-sĕn′trĭk)
, parˊa-cen′tric-al
(părˊȧ-sĕn′trĭ-kal)
, } Adj.
[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 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.