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.

1950–55; said to be a contraction of l-mandelonitrile, equivalent to l- + German Mandel almond + -o- + nitrile Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
laetrile (ˈleɪəˌtraɪl)
an extract of peach stones, containing amygdalin, sold as a cure for cancer but judged useless and possibly dangerous by medical scientists
[C20: from laevorotatory + nitrile]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

laetrile la·e·trile (lā'ĭ-trĭl', -trəl)
A drug derived from amygdalin from apricot pits and purported to have antineoplastic properties.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Manufacture, delivery, possession and use of laetrile.
Other therapies, such as laetrile, have been studied and found to be ineffective and potentially harmful.
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