bisulphitebisulfiten.

Brit.

/bʌɪˈsʌlfʌɪt/, U.S.

/baɪˈsəlˌfaɪt/

Forms: 1800s– bisulfite, 1800s– bisulphite.

Origin: Formed within English, by compounding. Etymons: bi- comb. form, sulphite n.

Etymology: < bi- comb. form + sulphite n. Compare French bisulfite (1838).

Chemistry.

A compound in which one of the two hydrogen atoms of sulphurous acid, H₂SO₃, has been replaced by another atom or group (as in sodium bisulphite, NaHSO₃, and calcium bisulphite Ca(HSO₃)₂).

ΚΠ

1830 W. T. Brande Man. Chem. (ed. 3) I. v. 424 There is also a crystallizable bisulphite of soda.

1876 Encycl. Brit. V. 502/2 Acid sulphites or bisulphites in which one-half the hydrogen in sulphurous acid is displaced by a metal.

1907 G. M. Norman Systematic Pract. Org. Chem. i. vi. 24 If aldehyde is shaken with a saturated solution of sodium bisulphite a crystalline precipitate is produced.

1938 R. Hum Chem. for Engin. Students xxii. 605 Calcium Bisulphite..is used as an antiseptic in the brewing and sugar industries.

1999 C. Mendelson Home Comforts xiii. 179/1 The growth of food molds is inhibited by a number of food additives, including sodium bisulfite.

This is a new entry (OED Third Edition, June 2007; most recently modified version published online December 2021).

单词	bisulphite
释义	bisulphitebisulfiten. Brit. /bʌɪˈsʌlfʌɪt/, U.S. /baɪˈsəlˌfaɪt/ Forms: 1800s– bisulfite, 1800s– bisulphite. Origin: Formed within English, by compounding. Etymons: bi- comb. form, sulphite n. Etymology: < bi- comb. form + sulphite n. Compare French bisulfite (1838). Chemistry. A compound in which one of the two hydrogen atoms of sulphurous acid, H₂SO₃, has been replaced by another atom or group (as in sodium bisulphite, NaHSO₃, and calcium bisulphite Ca(HSO₃)₂). ΚΠ 1830 W. T. Brande Man. Chem. (ed. 3) I. v. 424 There is also a crystallizable bisulphite of soda. 1876 Encycl. Brit. V. 502/2 Acid sulphites or bisulphites in which one-half the hydrogen in sulphurous acid is displaced by a metal. 1907 G. M. Norman Systematic Pract. Org. Chem. i. vi. 24 If aldehyde is shaken with a saturated solution of sodium bisulphite a crystalline precipitate is produced. 1938 R. Hum Chem. for Engin. Students xxii. 605 Calcium Bisulphite..is used as an antiseptic in the brewing and sugar industries. 1999 C. Mendelson Home Comforts xiii. 179/1 The growth of food molds is inhibited by a number of food additives, including sodium bisulfite. This is a new entry (OED Third Edition, June 2007; most recently modified version published online December 2021). < n.1830
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