ferrous oxide

American  

noun

Chemistry.

1. a black powder, FeO, insoluble in water, soluble in acid.

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ferrous oxide Scientific  

1. A black powder used to make steel, green heat-absorbing glass, and enamels. Chemical formula: FeO.

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Etymology

Origin of ferrous oxide

First recorded in 1870–75

Example Sentences

Amused and enchanted, I named him "Ferrous" for the chemical name of rust, hydrated ferrous oxide.

From New York Times

Lawrence Weiner’s “Cadmium & Mud & Titanium & Lead & Ferrous Oxide & So On …” was first displayed as part of his solo exhibition “Displacement,” at Dia Center for the Arts in New York City in 1991.

From New York Times

Staurolite, stawr′ō-līt, n. a silicate of alumina with ferrous oxide, magnesia, and water, crystallising in trimetric forms, common as twinned cruciform crystals in certain states.—adj.

From Project Gutenberg

Ferrous oxide produces an olive green or a pale blue according to the glass with which it is mixed.

From Project Gutenberg

Ferrous oxide is the usual cause of discoloration.

From Project Gutenberg