oxyhydraten.
/ˌɒksɪˈhʌɪdreɪt/, U.S. /ˌɑksiˈhaɪˌdreɪt/ Chemistry.
A hydrated oxide; a hydrate.
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oxyhydrate1853
terpin-hydrate1868
1853 A. Ure Dict. Arts (ed. 4) I. 834 Common alcohol is an oxyhydrate of ethyle.
1876 J. Van Duyn & E. C. Seguin tr. E. L. Wagner Man. Gen. Pathol. 88 If the water contains iron in solution, this is readily precipitated as an oxyhydrate.
1928 R. E. Buchanan & E. I. Fulmer Physiol. & Biochem. Bacteria I. 247 The sheaths of organisms such as the Crenothrix polyspora and Leptothrix ochracea are encrusted with a layer which gives the reactions of iron oxyhydrate.
1949 Analyt. Chem. 21 480/1 Both oxyhydrates consist of needles from 600 to 5000 Å long.
1987 Science New Ser. 2 Jan. 61/3 An origin of this red color by diagenetic dehydration of ferric oxyhydrate minerals cannot be ruled out.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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