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3 definitions found
 for centripetal
From The Collaborative International Dictionary of English v.0.48 :

  Centripetal \Cen*trip"e*tal\, a. [L. centrum center + petere to
     move toward.]
     1. Tending, or causing, to approach the center.
        [1913 Webster]
     2. (Bot.)
        (a) Expanding first at the base of the inflorescence, and
            proceeding in order towards the summit.
        (b) Having the radicle turned toward the axis of the
            fruit, as some embryos.
            [1913 Webster]
     3. Progressing by changes from the exterior of a thing toward
        its center; as, the centripetal calcification of a bone.
        --R. Owen.
        [1913 Webster]
     Centripetal force (Mech.), a force whose direction is
        towards a center, as in case of a planet revolving round
        the sun, the center of the system, See Centrifugal
        force, under Centrifugal.
     Centripetal impression (Physiol.), an impression (sensory)
        transmitted by an afferent nerve from the exterior of the
        body inwards, to the central organ.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      adj 1: tending to move toward a center; "centripetal force"
             [ant: centrifugal]
      2: tending to unify [syn: centripetal, unifying(a)]
      3: of a nerve fiber or impulse originating outside and passing
         toward the central nervous system; "sensory neurons" [syn:
         centripetal, receptive, sensory(a)]

From Moby Thesaurus II by Grady Ward, 1.0 :

  19 Moby Thesaurus words for "centripetal":
     approaching, asymptotic, centrolineal, concentrating, concurrent,
     confluent, confocal, connivent, consolidating, converging, focal,
     meeting, mutually approaching, radial, radiating, tangent,
     tangential, unifying, uniting

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