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 meth·yl /ˈmɛθəl/
 甲基,木精

 meth·yl /ˈmɛθəl, , ˈmɪˌθaɪl/ 名詞

 Meth·yl n.  Chem. A univalent hydrocarbon radical, CH3-, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc. [Formerly written also methule, methyle, etc.]
 Methyl alcohol Chem., a light, volatile, inflammable liquid, CH3.OH, obtained by the distillation of wood, and hence called wood alcohol or wood spirit; tecnically referred to as methanol; -- called also methol, carbinol, etc.
 Methyl amine Chem., a colorless, inflammable, alkaline gas, CH3.NH2, having an ammoniacal, fishy odor.  It is produced artificially, and also occurs naturally in herring brine and other fishy products.  It is regarded as ammonia in which a third of its hydrogen is replaced by methyl, and is a type of the class of substituted ammonias.
 Methyl ether Chem., a light, volatile ether CH3.O.CH3, obtained by the etherification of methyl alcohol; -- called also methyl oxide or dimethyl ether.
 Methyl green. Chem. See under Green, n.
 Methyl orange. Chem. See Helianthin.
 Methyl violet Chem., an artificial dye, consisting of certain methyl halogen derivatives of rosaniline.
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 methyl
      n : the univalent radical CH3- derived from methane [syn: methyl
          group, methyl radical]