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[oh-uh-gam-eet, -guh-meet] /oʊ əˈgæm it, -gəˈmit/
noun, Cell Biology
one of a pair of structurally dissimilar gametes, the female gamete being large and nonmotile and the male gamete being small and motile.
Origin of oogamete
1890-95; oo- + gamete
Related forms
[oh-og-uh-muh s] /oʊˈɒg ə məs/ (Show IPA),
oogamy, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for oogamy


sexual reproduction involving a small motile male gamete and a large much less motile female gamete: occurs in all higher animals and some plants
Derived Forms
oogamous, adjective
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
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oogamy in Medicine

oogamete o·o·gam·ete (ō'ə-gām'ēt', -gə-mēt')
A female gamete, especially the larger of two gametes produced by an oogamous species.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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oogamy in Science
A system of sexual reproduction in which one gamete (called the egg) is large and nonmotile, while the other (called the sperm) is small and motile. Oogamy is a type of heterogamy. Compare isogamy.

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