- a white, water-insoluble powder, TiO2, used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.
- 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
- A white powder used as an opaque white pigment. It occurs naturally as the mineral rutile. Chemical formula: TiO2.