noun, plural: congeners
(2) A muscle having similar function as another.
(3) A chemical variant; a compound having similar composition, structure, or antagonistic effect(s) as another.
(4) Something that is closely related to another thing, or that is derived from the same source.
Word origin: from Latin roots meaning "born together" or "within the same race or kind"
Related forms: cogeneric or congenerous (adjective)
Also called: cogener