sexavalentadj.

Brit.

/ˌsɛksəˈveɪlənt/,

/ˌsɛksəˈveɪln̩t/, U.S.

/ˌsɛksəˈveɪlənt/

Origin: A variant or alteration of another lexical item; modelled on a Latin lexical item. Etymon: hexavalent adj.

Etymology: Alteration of hexavalent adj., after classical Latin sex six (see sex- comb. form): see quot. 1866. Compare slightly later sexvalent adj. at sex- comb. form 1a, sexivalent adj.

Chemistry.

Having a valency of six; = hexavalent adj.

ΚΠ

1866 F. O. Ward in Chem. News 1 June 263/2 He properly uses the term ‘multi-valent’, not ‘poly-valent’, and by parity of reasoning will see the propriety of substituting quinqui-valent and sexa-valent for his..Greek and Latin composites.

1891 G. Kamensky tr. D. I. Mendeléeff Princ. Chem. I. x. 407 Sulphur is bivalent to hydrogen, and sexavalent [Rus. šestiatomna] to oxygen.

1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) lii. 530 Manganese trioxide, MnO₃ (manganese sexavalent), is an acidic oxide.

1977 Inorg. Chem. 16 2825/1 The two inert oxo ligands modify the reactivity of the formally sexavalent uranium center.

2005 C. Ahner tr. H. Bannwarth Liquid Ring Vacuum Pumps, Compressors & Syst. viii. 383 Chromatizing, formation of a layer mainly consisting of chromium compounds through treatment with acid or alkaline solutions containing sexavalent chromium.

This is a new entry (OED Third Edition, December 2008; most recently modified version published online June 2022).

单词	sexavalent
释义	sexavalentadj. Brit. /ˌsɛksəˈveɪlənt/, /ˌsɛksəˈveɪln̩t/, U.S. /ˌsɛksəˈveɪlənt/ Origin: A variant or alteration of another lexical item; modelled on a Latin lexical item. Etymon: hexavalent adj. Etymology: Alteration of hexavalent adj., after classical Latin sex six (see sex- comb. form): see quot. 1866. Compare slightly later sexvalent adj. at sex- comb. form 1a, sexivalent adj. Chemistry. Having a valency of six; = hexavalent adj. ΚΠ 1866 F. O. Ward in Chem. News 1 June 263/2 He properly uses the term ‘multi-valent’, not ‘poly-valent’, and by parity of reasoning will see the propriety of substituting quinqui-valent and sexa-valent for his..Greek and Latin composites. 1891 G. Kamensky tr. D. I. Mendeléeff Princ. Chem. I. x. 407 Sulphur is bivalent to hydrogen, and sexavalent [Rus. šestiatomna] to oxygen. 1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) lii. 530 Manganese trioxide, MnO₃ (manganese sexavalent), is an acidic oxide. 1977 Inorg. Chem. 16 2825/1 The two inert oxo ligands modify the reactivity of the formally sexavalent uranium center. 2005 C. Ahner tr. H. Bannwarth Liquid Ring Vacuum Pumps, Compressors & Syst. viii. 383 Chromatizing, formation of a layer mainly consisting of chromium compounds through treatment with acid or alkaline solutions containing sexavalent chromium. This is a new entry (OED Third Edition, December 2008; most recently modified version published online June 2022). < adj.1866
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