anisogamous

[ an-ahy-sog-uh-muh s ]
/ ˌæn aɪˈsɒg ə məs /

adjective Biology.

reproducing by the fusion of dissimilar gametes or individuals, usually differing in size.
Also an·i·so·gam·ic [an-ahy-suh-gam-ik, an-ahy-] /ænˌaɪ səˈgæm ɪk, ˌæn aɪ-/.

Origin of anisogamous

First recorded in 1900–05; aniso- + -gamous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019