oxysulphideoxysulfiden.
/ˌɒksɪˈsʌlfʌɪd/, U.S. /ˌɑksiˈsəlˌfaɪd/ Chemistry.
A compound containing both oxygen and sulphur; spec. a combined oxide and sulphide.
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oxysulphureta1836
oxysulphide1849
1849 D. Campbell Pract. Text-bk. Inorg. Chem. 115 Water dissolves out the soda salts, leaving the insoluble oxisulphide of calcium, known as soda waste.
1854 J. Scoffern in Orr's Circle Sci., Chem. 408 A mixture of insoluble oxysulphide of lime and carbonate of soda.
1883 Proc. Royal Soc. 35 44 The sulphide may be contaminated by oxysulphide.
1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xxxvi. 301 Carbon monoxide also combined with sulphur at a red heat, to form carbon oxysulphide, a gas CO + S = COS.
1989 Proc. Royal Soc. A. 425 130 A zinc sulphide or rare-earth phosphor such as gadolinium oxysulphide turns the X-rays into visible light.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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n.1849