sesquioxiden.
/sɛskwɪˈɒksʌɪd/ Chemistry.
An oxide containing three equivalents of oxygen to two of another element or radical.
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the world > matter > chemistry > elements and compounds > metals > specific elements > oxygen > [noun] > compounds > oxides > by proportion of oxygen
tritoxide1806
oxidule1815
quadroxide1825
sesquioxide1831
pentoxide1851
tetroxide1866
trioxide1868
1831 T. Thomson Syst. Chem. (ed. 7) I. 515 When the native binoxide of manganese is exposed to a low red-heat it is converted into sesquoxide.
1831 T. Thomson Syst. Chem. (ed. 7) II. 818 Muriated sesquioxide of manganese.
1848 Normandy tr. Rose's Chem. Analysis I. 159 Sesquioxyde of Iridium, Ir2O3.
1880 H. C. Bastian Brain i. 5 The sesquioxides of chromium and iron.
Derivatives
ˌsesquioxiˈdation n. conversion into a sesquioxide.
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the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > oxidation > sesquioxidation
sesquioxidation1849
1849 D. Campbell Pract. Text-bk. Inorg. Chem. 142 A complete sesquioxidation of the iron salt.
ˌsesquioˈxidic adj.
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1906 Notices Proc. Royal Inst. Great Brit. 17 102 Sesquioxydic mordants.
ˌsesquiˈoxidized adj. converted into a sesquioxide.
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the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to oxidation > of or relating to sesquioxidation
sesquioxidized1849
1849 D. Campbell Pract. Text-bk. Inorg. Chem. 27 The amount of iron sesquioxidized.
This entry has not yet been fully updated (first published 1912; most recently modified version published online December 2020).
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n.1831