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

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

In these it finds the precise conditions required for decomposing the peroxide into oxygen and the protoxide.

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

What is the difference between peroxide and protoxide of iron?

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

How does it affect the protoxide of iron?

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

How may the protoxide of iron be changed to peroxide?

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