carnotite

American

[kahr-nuh-tahyt] / ˈkɑr nəˌtaɪt /

noun

Mineralogy.

a yellow, earthy, hydrous potassium uranium vanadate: an ore of uranium.

carnotite British

/ ˈkɑːnəˌtaɪt /

noun

a radioactive yellow mineral consisting of hydrated uranium potassium vanadate: occurs in sedimentary rocks and is a source of uranium, radium, and vanadium. Formula: K 2 (UO 2 ) 2 (VO 4 ) 2 .3H 2 O

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of carnotite

1895–1900; named after A. Carnot (died 1920), French mining official; see -ite ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

carnotite

Then a radium-bearing ore, carnotite, was discovered in Utah and Colorado.

From Time Magazine Archive

Meanwhile, Belgian prospectors had discovered veins of pitchblende in the Belgian Congo no less than 20 times richer than the U. S. carnotite.

From Time Magazine Archive

Decade ago Colorado and Utah carnotite deposits had made the U. S. the world's largest radium producer but richer ore was found in the Belgian Congo and Radium Beige soon had established a monopoly.

From Time Magazine Archive

The ore in the Fergana Valley is rather like the carnotite of Colorado, a complex uranium-vanadium mineral.

From Time Magazine Archive

"The carnotite was put in and then the field was planted with corn to make it look as innocent and natural as possible, I suppose."

From The Blue Ghost Mystery by Harold L. (Harold Leland) Goodwin

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023