• synonyms


See more synonyms for laetrile on Thesaurus.com
  1. a controversial drug, purported to cure cancer, prepared from the pits of apricots or peaches and containing about 6 percent cyanide by weight: banned by the FDA.
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Origin of laetrile

1950–55; said to be a contraction of l-mandelonitrile, equivalent to l- + German Mandel almond + -o- + nitrile
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for laetrile


  1. an extract of peach stones, containing amygdalin, sold as a cure for cancer but judged useless and possibly dangerous by medical scientists
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Word Origin

C20: from laevorotatory + nitrile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

laetrile in Medicine


(lāĭ-trĭl′, -trəl)
  1. A drug derived from amygdalin from apricot pits and purported to have antineoplastic properties.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.