[ mon-uh-sahy-klik, -sik-lik ]
/ ˌmɒn əˈsaɪ klɪk, -ˈsɪk lɪk /


having one cycle.
Botany. arranged in a single whorl, as the parts of certain flowers.
Chemistry. of or relating to a molecular structure containing one ring.

Nearby words

  1. monocrotism,
  2. monocular,
  3. monocular diplopia,
  4. monoculture,
  5. monocycle,
  6. monocyte,
  7. monocytic,
  8. monocytic leukemia,
  9. monocytic leukocytosis,
  10. monocytopenia

Origin of monocyclic

First recorded in 1880–85; mono- + cyclic

Related formsmon·o·cy·cly, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for monocyclic


/ (ˌmɒnəʊˈsaɪklɪk) /


Also: mononuclear (of a chemical compound) containing only one ring of atoms
(of sepals, petals, or stamens) arranged in a single whorl
(of a plant) having a life cycle that is completed in one year
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

Science definitions for monocyclic


[ mŏn′ə-sīklĭk, -sĭklĭk ]

Having a single cycle, as of activity or development.
Having a single whorl, as certain flowers and the shells of certain invertebrates.
Having a molecular structure with only one ring. Benzene and toluene are monocyclic molecules.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.