Definitions
from The Century Dictionary.
- Approaching to or departing from the center.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Deviating from circularity; changing the distance from a center.
- adjective (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 . - adjective 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Deviating from
circularity ; changing the distance from acentre . - noun geometry A
curve having the property that, when itsplane is placed vertically, a body descending along it, by the force ofgravity , will approach to, or recede from, a fixed point or centre, by equal distances in equal times.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
para- + -centric
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Examples
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Complicating the matter further was the publication in 1689 of Leibniz's “Essay on the causes of celestial motions,” which offered a vortex theory in which “a planet moves with a double motion composed of the harmonic circulation of its fluid deferent orb, and the paracentric motion, as if it had a certain gravity of attraction, namely an impulsion towards the Sun” [L,
Newton's Philosophiae Naturalis Principia Mathematica Smith, George 2007
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