meth·yl
(mĕth′əl)adj. Relating to or being the simplest hydrocarbon unit, CH3, that can occur as a substituent in an organic compound or as an ion or radical.
[French méthyle, back-formation from méthylène, methylene; see methylene.]
me·thyl′ic (mə-thĭl′ĭk) adj.
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