allyl
adjective
al·lyl ˈa-ləl 
: being or containing the unsaturated monovalent radical CH2CHCH2−
Example Sentences
Recent Examples on the Web According to the Academy of General Dentistry, the allyl methyl sulfide in coffee, onions and garlic can stay in your bloodstream and be expelled via your breath up to 72 hours after consumption. 
Sandee Lamotte, CNN, 5 May 2020
Sandee Lamotte, CNN, 5 May 2020 Word History
Etymology
International Scientific Vocabulary, from Latin allium garlic
First Known Use
1845, in the meaning defined above
Medical Definition
allyl
noun
al·lyl ˈal-əl
often attributive
: an unsaturated monovalent radical C3H5 compounds of which are found in the oils of garlic and mustard
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