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protoxide

[ proh-tok-sahyd, -sid ]
/ proʊˈtɒk saɪd, -sɪd /
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noun Chemistry.
the one of a series of oxides having the smallest proportion of oxygen.
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Also pro·tox·id [proh-tok-sid]. /proʊˈtɒk sɪd/.

Origin of protoxide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for protoxide

protoxide
/ (prəʊˈtɒksaɪd) /

noun
the oxide of an element that contains the smallest amount of oxygen of any of its oxides
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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