miscegenation

Noun

WordNet 3.0

Noun (1)

reproduction by parents of different races (especially by white and non-white persons)Synonyms: crossbreeding interbreeding

Webster's Dictionary (GCIDE)

Miscegenation \Mis`ce*ge*na"tion\, n. [L. miscere to mix + the root of genus race.] A mixing of races; amalgamation, as by intermarriage of black and white.

Note: Until the late twentieth century, misceganation was a crime in some states of the Southern United States. [1913 Webster +PJC]