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单词 monomethyl
释义 monomethyl Chem.|mɒnəʊˈmɛθɪl|
[mono- 2.]
Used attrib. to denote organic compounds in which one equivalent of methyl takes the place of one of hydrogen. Also monoˈmethylated, -meˈthylic adjs. in same sense.
1869Roscoe Elem. Chem. (1871) 340 Mono-methyl phosphine.1880Friswell in Jrnl. Soc. Arts XXVIII. 444 Dimethylaniline..free from unaltered aniline, and containing only 3 per cent. of the monomethylated compound.1902Webster Suppl., Monomethylic.
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