methyl

[meth-uh l] /ˈmɛθ əl/
adjective, Chemistry
1.
containing the methyl group.
Origin
1835-45; by back formation from methylene
Related forms
methylic
[me-thil-ik, muh-] /mɛˈθɪl ɪk, mə-/ (Show IPA), adjective

methyl-

1.
a combining form occurring in the names of chemical compounds in which the methyl group is present:
methylamine.
Examples from the web for methyl
  • methyl bromide then reacts with water to form methanol.
  • Industries use dimethyl sulfate to tack methyl groups onto organic chemicals.
  • methyl mercaptan may irritate the eyes and mucous membranes.
  • However, exposure to methyl parathion may occur at farms where it has been used as a pesticide.
  • Benzoyl peroxide was weighed into a beaker that had previously been rinsed with methyl methacrylate.
British Dictionary definitions for methyl

methyl

/ˈmiːθaɪl; ˈmɛθɪl/
noun
1.
(modifier) of, consisting of, or containing the monovalent group of atoms CH3
2.
an organometallic compound in which methyl groups are bound directly to a metal atom
Derived Forms
methylic (məˈθɪlɪk) adjective
Word Origin
C19: from French méthyle, back formation from methylene
Word Origin and History for methyl
n.

univalent hydrocarbon radical, 1840, from German methyl (1840) or directly from French méthyle, back-formation from French méthylène (see methylene).

methyl in Medicine

methyl meth·yl (měth'əl)
n.
The alkyl group, often a univalent radical, CH3, derived from methane and occurring in many important organic compounds.

methyl in Science
methyl
  (měth'əl)   
The radical CH3, derived from methane.