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carnotite

American  
[kahr-nuh-tahyt] / ˈkɑr nəˌtaɪt /

noun

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


carnotite British  
/ ˈkɑːnəˌtaɪt /

noun

  1. 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; -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.

But it seems to be pulverized ore, and my guess would be carnotite.

From Project Gutenberg

Pitchblende is the best, but carnotite, which is a gray rock with yellowish streaks, is also good ore.

From Project Gutenberg

The powder is definitely carnotite, and it matches ore produced on the Colorado Plateau.

From Project Gutenberg

It's obvious that powdered carnotite was spread here before the corn was planted.

From Project Gutenberg

"And in this case, powdered carnotite was used in the fields, and chunks were put in the mine, to make victims think uranium was present," Rick added.

From Project Gutenberg