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

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Example Sentences

See Examples For:

protoxide

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 George E. (George Edwin) Waring

In the case of vitriol peats, carbonate of lime is the cheapest and most appropriate means of destroying the noxious sulphate of protoxide of iron, and correcting their deleterious quality.

From Peat and its Uses as Fertilizer and Fuel by Samuel W. (Samuel William) Johnson

Thus iron protoxide is now generally known as ferrous oxide, and iron peroxide as ferric oxide.

From Heroes of Science Chemists by M. M. Pattison (Matthew Moncrieff Pattison) Muir

Experiments further showed that it had not the injurious effect on vegetation which it was feared it would have from the protoxide of iron it contained.

From Manures and the principles of manuring by Charles Morton Aikman

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 Thomas Anderson

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