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. |