isogamous

1 of 2

adjective

isog·​a·​mous ī-ˈsä-gə-məs How to pronounce isogamous (audio)
: having or involving isogametes compare heterogamous
isogamy noun

isogamy

2 of 2

noun

isog·​a·​my īˈsägəmē How to pronounce isogamy (audio)
plural -es
: isogamous reproduction

Word History

Etymology

Adjective

probably from New Latin *isogamus, from is- + -gamus -gamous

Noun

International Scientific Vocabulary is- + -gamy

First Known Use

Adjective

1887, in the meaning defined above

Time Traveler
The first known use of isogamous was in 1887

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Cite this Entry

“Isogamous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isogamous. Accessed 26 Jun. 2026.

Medical Definition

isogamous

adjective
isog·​a·​mous ī-ˈsäg-ə-məs How to pronounce isogamous (audio)
: having or involving isogametes compare anisogamous, heterogamous
isogamy noun
plural isogamies
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