[ sahy-klik, sik-lik ]
/ ˈsaɪ klɪk, ˈsɪk lɪk /


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

Nearby words

  1. cycle of indiction,
  2. cyclecar,
  3. cyclectomy,
  4. cyclencephaly,
  5. cyclery,
  6. cyclic amp,
  7. cyclic compound,
  8. cyclic gmp,
  9. cyclic neutropenia,
  10. cyclic pitch lever

Origin of cyclic

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

Related formscy·clic·i·ty [sahy-klis-i-tee] /saɪˈklɪs ɪ ti/, nounnon·cy·clic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cyclic

British Dictionary definitions for cyclic


cyclical (ˈsaɪklɪkəl, ˈsɪklɪkəl)

/ (ˈsaɪklɪk, ˈsɪklɪk) /


recurring or revolving in cycles
(of an organic compound) containing a closed saturated or unsaturated ring of atomsSee also heterocyclic, homocyclic
  1. arranged in whorlscyclic petals
  2. having parts arranged in this waycyclic flowers
music of or relating to a musical form consisting of several movements sharing thematic material
geometry (of a polygon) having vertices that lie on a circle
(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
Derived Formscyclically, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cyclic



1794, from French cyclique (16c.), from Latin cyclicus, from Greek kyklikos "moving in a circle," from kyklos (see cycle (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for cyclic


[ sīklĭk, sĭklĭk ]


Relating to or characterized by cycles.
Recurring or moving in cycles.
Relating to chemical compounds having atoms arranged in a ring or closed-chain structure.
Related formscy′cli•cali•ty (sĭk′lə-kălĭ-tē, sī′klə-) n.cycli•cal•ly adv.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for cyclic


[ sĭklĭk, sīklĭk ]

Occurring or moving in cycles.
Relating to a compound having atoms arranged in a ring or closed-chain structure. Benzene is a cyclic compound.
Having parts arranged in a whorl.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.