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单词 monosubstituted
释义

monosubstitutedadj.

Brit. /ˌmɒnə(ʊ)ˈsʌbstᵻtjuːtᵻd/, /ˌmɒnə(ʊ)ˈsʌbstᵻtʃuːtᵻd/, U.S. /ˌmɑnəˈsəbstəˌt(j)udəd/
Origin: Formed within English, by compounding. Etymons: mono- comb. form, substituted adj.
Etymology: < mono- comb. form + substituted adj., after monosubstitution n. Compare earlier bisubstituted adj. at bi- comb. form 1b.
Chemistry.
Formed by or exhibiting monosubstitution.
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the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to substitution > mono-substituted
monosubstituted1887
1887 New Sydenham Soc. Lexicon at Hydroxyl acid Monobasic acids of the series, CnH2nO3,..can be simply and easily obtained by replacing the halogen in the mono-substituted fatty acids by hydroxyl.
1889 Proc. Royal Soc. 47 p. xv The three atoms of hydrogen in ammonia can be successively replaced by methyl or ethyl without affording the metameric mono- or di-substituted derivatives which might be expected.
1934 C. C. Steele Introd. Plant Biochem. xvii. 177 The molecule of benzene is symmetrical, as its monosubstituted derivatives, e.g. monochlorobenzene, C6H5Cl, do not exist in isometric forms.
1974 G. B. Gill & M. R. Willis Pericyclic Reactions vi. 171 (caption) The topology of the monosubstituted ketene-cyclopentadiene interaction.
1993 Analyt. Chem. 65 1147 The resulting enzyme-peptide conjugate is monosubstituted (one peptide per subunit).
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1887
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