brookite

[ brook-ahyt ]
/ ˈbrʊk aɪt /

noun Mineralogy.

a brown, red, or black mineral, titanium dioxide, TiO2, trimorphous with rutile and anatase.

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Origin of brookite

1875–80; named after H. J. Brooke (1771–1857), English mineralogist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for brookite

British Dictionary definitions for brookite

brookite
/ (ˈbrʊkaɪt) /

noun

a reddish-brown to black mineral consisting of titanium oxide in orthorhombic crystalline form: occurs in silica veins. Formula: TiO 2

Word Origin for brookite

C19: named after Henry J. Brooke (died 1857), English mineralogist
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