manganous

American  

[mang-guh-nuhs, man-gan-uhs, mang-] / ˈmæŋ gə nəs, mænˈgæn əs, mæŋ- /

adjective

Chemistry.

1. containing bivalent manganese.

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manganous British  

/ ˈmæŋɡənəs, mænˈɡænəs /

adjective

1. of or containing manganese in the divalent state

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Etymology

Origin of manganous

First recorded in 1815–25; mangan(ese) + -ous

Example Sentences

Manganese takes the sulfur away from the iron and the manganous sulfide which is formed collects in small globules throughout the metal without weakening it.

From Time Magazine Archive

Finally, the excess of manganous sulphate is determined, in the manner described by Volhard, by means of solution No. 3.

From Scientific American Supplement, No. 561, October 2, 1886 by Various

There is thus precipitated on the fibre manganous hydrate, which by a short passage into a cold dilute solution of bleaching powder is oxidized and converted into the brown manganic hydrate.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

One molecule of permanganate equals one molecule of nitric oxide when manganous sulphate is used, since no part of the permanganate employed in this method is reduced below the superoxide condition.

From Scientific American Supplement, No. 561, October 2, 1886 by Various

Cotton is dyed by first impregnating it with a solution of manganous chloride, then dyeing and passing into a hot solution of caustic soda.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various