anatase

American

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

noun

Mineralogy.

a naturally occurring crystalline form of titanium dioxide, TiO 2 .

anatase British

/ ˈænəˌteɪz /

noun

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

"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 anatase

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023