• synonyms


or mon·o·mor·phous

  1. Biology. having only one form.
  2. of the same or of an essentially similar type of structure.
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Origin of monomorphic

First recorded in 1875–80; mono- + -morphic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for monomorphic

Historical Examples of monomorphic

  • Monomorphic: species of which only one sex (female) is known to exist.

    Explanation of Terms Used in Entomology

    John. B. Smith

  • If you can find a dimorphic Oxalis it will be a new point, for all known species are trimorphic or monomorphic.

British Dictionary definitions for monomorphic



  1. (of an individual organism) showing little or no change in structure during the entire life history
  2. (of a species) existing or having parts that exist in only one form
  3. (of a chemical compound) having only one crystalline form
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Derived Formsmonomorphism, noun
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

monomorphic in Medicine


  1. Having only one form, as one crystal form.
  2. Having one or the same genotype, form, or structure through a series of developmental changes.
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Related formsmon′o•morphism n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.