titanium dioxide

English

Noun

titanium dioxide (plural titanium dioxides)

  1. (chemistry) a brilliant white powder, TiO2, used as a pigment, and in sunblock, toothpaste, and cosmetics.
    Synonyms: titania, E171 (when used as a food colouring), titanium white (when used as pigment)
    Meronyms: titanium, Ti, oxygen, O

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