oxo-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is usually maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. oxopolysaccharide Brit.

/ˌɒksə(ʊ)pɒlɪˈsakərʌɪd/, U.S.

/ˌɑksoʊˌpɑliˈsækəˌraɪd/.

Origin: Formed within English, by derivation. Etymons: oxygen n., -o- connective.

Etymology: < ox- (in oxygen n.) + -o- connective. Compare oxy- comb. form².Attested in a small number of compounds in chemistry from the late 19th cent. For usage of the combining form compare:1971 Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 3) C. 176 In the presence of a group having priority over carbonyl for citation as principal group, or when all the carbonyl groups cannot be included in the ketone functional class name, the presence of carbonyl-oxygen atoms is indicated by the prefixes ‘oxo-’, ‘dioxo-’, etc.

Chemistry.

Forming names of compounds or classes of compound containing or involving one or more oxygen atoms bonded to another atom, esp. in the form of a carbonyl group.

ΚΠ

1888 Jrnl. Chem. Soc. 54 193 Ethyl oxomalonate, CO(COOEt)₂, is obtained by suspending dry barium mesoxalate in absolute alcohol and saturating the mixture with dry hydrogen chloride.

1938 I. W. D. Hackh & J. Grant Hackh's Chem. Dict. (ed. 2) 667/2 Oxomalonic acid.

2001 New Scientist 2 June 19/1 An unusual oxopolysaccharide—a sugar with reactive carbonyl groups attached—is responsible.

This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	oxo-
释义	oxo-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is usually maintained on the first syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. oxopolysaccharide Brit. /ˌɒksə(ʊ)pɒlɪˈsakərʌɪd/, U.S. /ˌɑksoʊˌpɑliˈsækəˌraɪd/. Origin: Formed within English, by derivation. Etymons: oxygen n., -o- connective. Etymology: < ox- (in oxygen n.) + -o- connective. Compare oxy- comb. form².Attested in a small number of compounds in chemistry from the late 19th cent. For usage of the combining form compare:1971 Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 3) C. 176 In the presence of a group having priority over carbonyl for citation as principal group, or when all the carbonyl groups cannot be included in the ketone functional class name, the presence of carbonyl-oxygen atoms is indicated by the prefixes ‘oxo-’, ‘dioxo-’, etc. Chemistry. Forming names of compounds or classes of compound containing or involving one or more oxygen atoms bonded to another atom, esp. in the form of a carbonyl group. ΚΠ 1888 Jrnl. Chem. Soc. 54 193 Ethyl oxomalonate, CO(COOEt)₂, is obtained by suspending dry barium mesoxalate in absolute alcohol and saturating the mixture with dry hydrogen chloride. 1938 I. W. D. Hackh & J. Grant Hackh's Chem. Dict. (ed. 2) 667/2 Oxomalonic acid. 2001 New Scientist 2 June 19/1 An unusual oxopolysaccharide—a sugar with reactive carbonyl groups attached—is responsible. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < comb. form1888
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