PROTOX'YD, noun [Gr. first, and acid.] A substance combined with oxygen in the first degree, or any oxyd formed by the first degree of oxydizement.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI
Founding-era definition · Webster's 1828 American Dictionary
PROTOX'YD, noun [Gr. first, and acid.] A substance combined with oxygen in the first degree, or any oxyd formed by the first degree of oxydizement.
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