[sahy-klik, sik-lik]
revolving or recurring in cycles; characterized by recurrence in cycles.
of, pertaining to, or constituting a cycle or cycles.
Chemistry. of or pertaining to a compound that contains a closed chain or ring of atoms (contrasted with acyclic ).
arranged in whorls, as the parts of a flower.
(of a flower) having the parts so arranged.
pertaining to an algebraic system in which all the elements of a group are powers of one element.
(of a set of elements) arranged as if on a circle, so that the first element follows the last.

1785–95; < Latin cyclicus < Greek kyklikós circular. See cycle, -ic

cyclicity [sahy-klis-i-tee] , noun
noncyclic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cyclic or cyclical (ˈsaɪklɪk, ˈsɪklɪk, ˈsaɪklɪkəl, ˈsɪklɪkəl)
1.  recurring or revolving in cycles
2.  heterocyclic See also homocyclic (of an organic compound) containing a closed saturated or unsaturated ring of atoms
3.  botany
 a.  arranged in whorls: cyclic petals
 b.  having parts arranged in this way: cyclic flowers
4.  music of or relating to a musical form consisting of several movements sharing thematic material
5.  geometry (of a polygon) having vertices that lie on a circle
6.  (in generative grammar) denoting one of a set of transformational rules all of which must apply to a clause before any one of them applies to any clause in which the first clause is embedded
cyclical or cyclical
'cyclically or cyclical

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

1794, from Fr. cyclique (16c.), from L. cyclicus, from Gk. kyklikos "moving in a circle," from kyklos (see cycle). Related: Cyclical (1817).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

cyclic cy·clic (sī'klĭk, sĭk'lĭk) or cy·cli·cal (sī'klĭ-kəl, sĭk'lĭ-kəl)

  1. Relating to or characterized by cycles.

  2. Recurring or moving in cycles.

  3. Relating to chemical compounds having atoms arranged in a ring or closed-chain structure.

cy'cli·cal'i·ty (sĭk'lə-kāl'ĭ-tē, sī'klə-) n.
cy'cli·cal·ly adv.
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
cyclic   (sĭk'lĭk, sī'klĭk)  Pronunciation Key 
  1. Occurring or moving in cycles.

  2. Relating to a compound having atoms arranged in a ring or closed-chain structure. Benzene is a cyclic compound.

  3. Having parts arranged in a whorl.

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