| Word | Definitions | Synonyms |
|---|---|---|
| bivalent | (adjective) used of homologous chromosomes associated in pairs in synapsis | Synonyms: double |
| (adjective) having a valence of two or having two valences | Synonyms: divalent | |
| bivalve | (adjective) used of mollusks having two shells (as clams etc.) | Synonyms: bivalved |
| bivalved | (adjective) used of mollusks having two shells (as clams etc.) | Synonyms: bivalve |
| bivariate | (adjective) having two variables | - |