单词 | hydroxymethyl |
释义 | > as lemmashydroxymethyl hydroxymethyl n. Brit. /hʌɪˌdrɒksɪˈmiːθʌɪl/ , /hʌɪˌdrɒksɪˈmɛθʌɪl/ , /hʌɪˌdrɒksɪˈmɛθ(ᵻ)l/ , U.S. /haɪˌdrɑksiˈmɛθ(ə)l/ the univalent radical —CH2OH, in which a hydroxyl group replaces one of the hydrogen atoms of a methyl group.ΘΚΠ the world > matter > chemistry > organic chemistry > organic radicals > [noun] > monovalent radicals phenyl1849 acetyl1864 tetrahydrofurfuryl1928 ribityl1935 hydroxymethyl1937 tosyl1938 phosphatidyl1941 1937 Chem. Abstr. 31 Index 9888/3 Hydroxy~methyl group, detn. in resol. 1964 G. H. Haggis et al. Introd. Molecular Biol. ix. 218 In 5-hydroxy-methyl~cytosine, a hydroxy-methyl (—CH2OH) group replaces the hydrogen at position 5. < as lemmas |
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