Racemic

//ɹəˈsiːmɪk// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Containing equal amounts of dextrorotatory (+) and levorotatory (−) stereoisomers and therefore not optically active. not-comparable

Etymology

From French racémique, from Latin racēmus (“cluster or bunch of grapes”) + -ique or from raceme + -ic. The name came from racemic acid, which was isolated from grapes.

Related phrases

optically active

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