un centripetal


directed toward the center (opposed to centrifugal ).
operating by centripetal force.
Physiology, afferent.

1700–10; < Neo-Latin centripet(us) center-seeking (centri- centri- + -petus, derivative of Latin petere to seek) + -al1

centripetalism, noun
centripetally, adverb
uncentripetal, adjective

centrifugal, centripetal.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
centripetal (sɛnˈtrɪpɪtəl, ˈsɛntrɪˌpiːtəl)
1.  Compare centrifugal acting, moving, or tending to move towards a centre
2.  of, concerned with, or operated by centripetal force
3.  botany (esp of certain inflorescences) developing from the outside towards the centre
4.  physiol another word for afferent
[C17: from New Latin centripetus seeking the centre; see centri-, -petal]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1709, from Mod.L., coined 1687 by Sir Isaac Newton from L. centri- alternative comb. form of centrum "center" (see center) + petere "to fall, rush out" (see petition).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

centripetal cen·trip·e·tal (sěn-trĭp'ĭ-tl)

  1. Moving or directed toward a center or axis.

  2. Transmitting nerve impulses toward the central nervous system; afferent.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
centripetal   (sěn-trĭp'ĭ-tl)  Pronunciation Key 
  1. Moving or directed toward a center or axis, particularly one around which an object is spinning.

  2. Transmitting nerve impulses toward the brain or spinal cord; afferent.

  3. Developing or progressing inward toward a center or axis, as in the growth of plant structures. For example, in the disk of the inflorescence of a sunflower, the florets near the edge open first, and the ones in the center last. Compare centrifugal.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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