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titanium dioxide

noun

, Chemistry.
  1. a white, water-insoluble powder, TiO 2 , used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.

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 2 Also calledtitanium oxidetitanic oxidetitania

titanium dioxide

  1. A white powder used as an opaque white pigment. It occurs naturally as the mineral rutile. Chemical formula: TiO 2 .

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Word History and Origins

Origin of titanium dioxide1

First recorded in 1920–25

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Example Sentences

They aren't diamonds; they're simply well-cut crystals of titanium dioxide.

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