• synonyms


[ahy-sog-uh-muh s]
adjective Biology.
  1. having two similar gametes in which no differentiation can be distinguished, or reproducing by the union of such gametes (opposed to heterogamous).
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Origin of isogamous

First recorded in 1885–90; iso- + -gamous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

isogamous in Science


  1. A reproductive system characterized by the fusion of gametes (called isogametes) that are not distinguished in size or structure. Isogamy is found in some algae and other protist groups. Compare heterogamy.
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Related formsisogamous adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.