单词 | protoxide |
释义 | protoxide/prəʊˈtɒksʌɪd/Chemistry. Now rare noun An oxide which contains the smallest possible proportion of oxygen in relation to the other element (i.e. one in which the other element occurs in its lowest oxidation state). OriginEarly 19th century; earliest use found in Thomas Thomson (1773–1852), chemist. From proto- + oxide. |
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