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autunite

[awt-n-ahyt, oh-tuhn-ahyt]
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noun
  1. a yellow mineral, a hydrous calcium uranium phosphate, CaU2P2O12⋅8H2O, occurring in crystals as nearly square tablets: a minor ore of uranium.
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Origin of autunite

1850–55; named after Autun, city in E France near source of supply; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for autunite

Historical Examples

  • Autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates.

    The New Gresham Encyclopedia. Vol. 1 Part 3

    Various

British Dictionary definitions for autunite

autunite

noun
  1. a yellowish fluorescent radioactive mineral consisting of a hydrated calcium uranium phosphate in tetragonal crystalline form. It is found in uranium ores. Formula: Ca(UO 2) 2 (PO 4) 2 .10–12H 2 O
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Word Origin

C19: named after Autun in France, one of the places where it was found, + -ite 1
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