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protoxide

低价氧化物; 低氧化物; 氧化亚物

The Collaborative International Dictionary of English v.0.48 (gcide)

Protoxide \Pro*tox"ide\, n. [Proto- oxide: cf. F. protoxide.]
(Chem.)
That one of a series of oxides having the lowest proportion
of oxygen. See {Proto-}, 2
(b) .
[1913 Webster]

{protoxide of nitrogen}, laughing gas, now called
{hyponitrous oxide}. See under {Laughing}.
[1913 Webster]

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