Etymology

racemate

ra·cem·ate
R1A1C3E1M3A1T1E1

Today it means: A mixture which is racemic (“containing equal amounts of dextrorotatory and levorotatory stereoisomers and therefore not optically active”). Full definition →

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racemate · noun1

From racem(ic) + -ate.

racemate · noun2

From racemic acid + -ate (“salt or ester”).

racemate · noun3

From race (“contest where the goal is to be the first to reach some objective”) + -mate (suffix forming nouns having the sense of ‘those with whom what is denoted by the nouns are shared’).

racemate · noun4

From race (“group of people distinguished from others on the basis of a common heritage or physical characteristics”) + -mate (suffix forming nouns having the sense of ‘those with whom what is denoted by the nouns are shared’).

Etymology from Wiktionary, CC BY-SA 4.0.