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titanium dioxide

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noun Chemistry.
  1. a white, water-insoluble powder, TiO2, used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.
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Origin of titanium dioxide

First recorded in 1920–25
Also called titanium oxide, ti·tan·ic ox·ide [tahy-tan-ik, ti-] /taɪˈtæn ɪk, tɪ-/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for titanium dioxide

titanium dioxide

noun
  1. a white insoluble powder occurring naturally as rutile and used chiefly as a pigment of high covering power and durability. Formula: TiO 2Also called: titanium oxide, titanic oxide, titania
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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

titanium dioxide in Science

titanium dioxide

  1. A white powder used as an opaque white pigment. It occurs naturally as the mineral rutile. Chemical formula: TiO2.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.