anisogamous
adjective
an·isog·a·mous ˌa-(ˌ)nī-ˈsä-gə-məs 
: characterized by fusion of heterogamous gametes or of individuals that usually differ chiefly in size
anisogamous reproduction
anisogamy
ˌa-(ˌ)nī-ˈsä-gə-mē
noun 
Word History
First Known Use
1891, in the meaning defined above
Medical Definition
anisogamous
adjective
an·isog·a·mous ˌan-(ˌ)ī-ˈsäg-ə-məs
variants also anisogamic
-ˌī-sə-ˈgam-ik
: characterized by fusion of heterogamous gametes or of individuals that usually differ chiefly in size
anisogamous reproduction