titanium dioxide

Definitions

General Science

  • noun a white crystalline solid used as a white pigment for durable paints and plastics.

Electronics

  • A white powder whose chemical formula is TiO2. Used, for instance, in resistant coatings, ceramics, lasers, semiconductors, and high-temperature transducers.

Food

  • E171, an inert white pigment permitted for use in food. It has no known health benefits.
http://www.dictionarycentral.com/definition/titanium-dioxide.html