protoxide

American  

[proh-tok-sahyd, -sid] / proʊˈtɒk saɪd, -sɪd /

Also protoxid

noun

Chemistry.

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

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protoxide British  

/ prəʊˈtɒksaɪd /

noun

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

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Etymology

Origin of protoxide

prot- + oxide

Example Sentences

See Examples For:

protoxide

Do peroxide and protoxide of iron affect plants in the same way?

From The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools by Waring, George E. (George Edwin)

Copper forms two oxides, the suboxide and the protoxide; the suboxide colours glass red, while the protoxide renders it green.

From British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. by Arnoux, L.

The aurates were easily produced, but it was impossible to obtain the combination of alkalis and the protoxide of gold.

From The International Monthly, Volume 3, No. 1, April, 1851 by Various

In such cases the acid must combine with something, and that something is not improbably the free protoxide.

From A System Of Logic, Ratiocinative And Inductive (Vol. 1 of 2) by Mill, John Stuart

The subsoil contains also a large quantity of protoxide of iron, a substance frequently found in subsoils containing much organic matter, and to which the air has imperfect access.

From Elements of Agricultural Chemistry by Anderson, Thomas