An alloy made by the reduction of ilmenite with coke in an electric furnace

(chemistry) A very hard ceramic material, TiB₂, used as a refractory and in high-temperature electrical applications

(chemistry) A very hard ceramic material with chemical formula TiC, used in tool bits and in the preparation of cermets

(physics) The major stable isotope of titanium, ⁴⁸₂₂Ti, having twenty-two protons and twenty-six neutrons; it amounts to about 74% of the element in nature

(chemistry) A very hard, golden-coloured ceramic material, TiN; used in refractories, alloys, cermets, and semiconductors

(chemistry) a brilliant white powder, TiO₂, used as a pigment, and in sunblock, toothpaste and cosmetics

The pigment titanium dioxide.

(inorganic chemistry) The binary compound of titanium and hydrogen, TiH₂, that is used in metallurgy etc. and, together with an oxidant, in pyrotechnic devices

(inorganic chemistry) The binary compound of titanium and oxygen, TiO₃, that is a pale yellow solid, and is used to colour ceramics

Any of various sands that are an industrial source of titanium minerals such as leucoxene, rutile and ilmenite