anatase

[ an-uh-teys, -teyz ]
/ ˈæn əˌteɪs, -ˌteɪz /

noun Mineralogy.

a naturally occurring crystalline form of titanium dioxide, TiO2.

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Also called octahedrite.

Origin of anatase

1835–45; < French < Greek anátasis, equivalent to ana- ana- + ta- (variant stem of teínein to stretch) + -sis -sis
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British Dictionary definitions for anatase

anatase
/ (ˈænəˌteɪz) /

noun

a rare blue or black mineral that consists of titanium oxide in tetragonal crystalline form and occurs in veins in igneous rocks. Formula: TiO 2Also called: octahedrite

Word Origin for anatase

C19: from French, from Greek anatasis an extending (referring to the length of the crystals), from anateinein to stretch out
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