uranous

American  

[yoor-uh-nuhs, yoo-rey-] / ˈyʊər ə nəs, yuˈreɪ- /

adjective

Chemistry.

1. containing trivalent uranium.

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uranous British  

/ ˈjʊərənəs /

adjective

1. of or containing uranium, esp in a low valence state

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Etymology

Origin of uranous

First recorded in 1835–45; uran(ium) + -ous

Example Sentences

Under the luminous agency the uranic nitrate is first reduced, then the uranous oxide acts on the cupric nitrate, forming cupric oxide, which is finally reduced to the metallic state.

From Photographic Reproduction Processes by Duchochois, Peter C.

Furthermore, he proved that this had no connection with the phenomenon of phosphorescence, as both uranic and uranous salts were active and the latter show no phosphorescence.

From A Brief Account of Radio-activity by Venable, Francis Preston

Uranium forms two families of salts, uranous and uranic; corresponding to the oxides UO2 and UO3 respectively.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius