Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Deviating from circularity; changing the distance from a centre.
  • n. 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 centre, by equal distances in equal times.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Deviating from circularity; changing the distance from a center.

from The Century Dictionary and Cyclopedia

  • Approaching to or departing from the center.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

para- + -centric

Examples

  • 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

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