noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Sexual bonding or marriage involving partners of widely differing social status. uncountable
2. 2
   (biology) reproduction by the union or fusion of two differing gametes (especially differing in size) wordnet
3. 3
   Sexual reproduction involving the union or fusion of two dissimilar gametes. uncountable

Synonyms

All synonyms

heterogamyheterogamyisogamy

Etymology

From aniso- + -gamy.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.