First Known Use: circa 1844
Dictionary
methyl
noun meth·yl \ˈme-thəl\
Definition of METHYL
: an alkyl radical CH3 derived from methane
— me·thyl·ic \mə-ˈthi-lik\ adjective
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Origin of METHYL
International Scientific Vocabulary, back-formation from methylene
Medical Dictionary
methyl
noun meth·yl \ˈmeth-əl, British also ˈmē-ˌthīl\
Medical Definition of METHYL
: an alkyl group CH3 that is derived from methane by removal of one hydrogen atom
—me·thyl·ic \mə-ˈthil-ik\ adjective
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