protoxide

[ proh-tok-sahyd, -sid ]

noun

, Chemistry.

1. the one of a series of oxides having the smallest proportion of oxygen.

protoxide

/ prəʊˈtɒksaɪd /

noun

1. the oxide of an element that contains the smallest amount of oxygen of any of its oxides

Word History and Origins

Origin of protoxide¹

prot- + oxide

Example Sentences

The ferruginous bacteria (leptothrix ochrocea) store up oxyhydrate of iron (by the oxydation of carbonic protoxide of iron).

From Project Gutenberg

This arises from the peroxidation of the iron, to whose protoxide they owe their tint.

From Project Gutenberg

They are red, lamellated, very heavy, and closely resemble protoxide of copper.

From Project Gutenberg

They consist of silicate of alumina, of lime, protoxide of iron; the red contain some silicate of copper.

From Project Gutenberg

When the metal is very pure and free from protoxide, these cakes may be obtained very thin, one 24th of an inch for example.

From Project Gutenberg