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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 protoxide
 低價氧化物; 低氧化物; 氧化亞物

From: Webster's Revised Unabridged Dictionary (1913)

 Pro·tox·ide n.  Chem. That one of a series of oxides having the lowest proportion of oxygen. See Proto-, 2 (b).
 protoxide of nitrogen, laughing gas, now called hyponitrous oxide. See under Laughing.
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