Definition of laetrile
: a drug derived especially from apricot pits that contains amygdalin and has been used in the treatment of cancer although of unproved effectiveness
Origin of laetrile
laevorotary (levorotary) + nitrile
First Known Use: 1953
Medical Definition of laetrile
: a drug that is derived especially from pits of the apricot (Prunus armeniaca of the rose family), that contains amygdalin, and that has been used in the treatment of cancer although of unproved effectiveness
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Medical Dictionary: Definition of "laetrile"
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