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witherite

[with -uh-rahyt] /ˈwɪð əˌraɪt/
noun
1.
a white to grayish mineral, barium carbonate, BaCO 3 , occurring in crystals and masses: a minor ore of barium.
Origin of witherite
1785-1795
1785-95; named after W. Withering (1741-99), who first described it; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for witherite
  • Many barite and witherite veins of limited extent occupy fractures in volcanic rocks.
  • Considerable levels may be found in some groundwaters and in effluents from areas where barytes and witherite are mined.
British Dictionary definitions for witherite

witherite

/ˈwɪðəˌraɪt/
noun
1.
a white, grey, or yellowish mineral consisting of barium carbonate in orthorhombic crystalline form: occurs in veins of lead ore. Formula: BaCO3
Word Origin
C18: named after W. Withering (1741–99), English scientist, who first described it
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
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