(chemistry) An intermetallic compound of titanium and aluminium, TiAl, used as a heat-resistant material in high-speed aircraft

Any alloy of titanium and a metal or nonmetal

(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

(inorganic chemistry) Any of a range of poorly characterized oxides of titanium having the composition TiOₓ where x is between one and two

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

(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