'Tellurium' definitions:
Definition of 'tellurium'
(from WordNet)
noun
A brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold [syn: tellurium, Te, atomic number 52]
Definition of 'Tellurium'
From: GCIDE
- Tellurium \Tel*lu"ri*um\, n. [NL., from L. tellus, -uris, the earth.] (Chem.) A rare nonmetallic element, analogous to sulphur and selenium, occasionally found native as a substance of a silver-white metallic luster, but usually combined with metals, as with gold and silver in the mineral sylvanite, with mercury in Coloradoite, etc. Symbol Te. Atomic weight 125.2. [1913 Webster]
- Graphic tellurium. (Min.) See Sylvanite.
- Tellurium glance (Min.), nagyagite; -- called also {black tellurium}. [1913 Webster]
Definition of 'tellurium'
From: Elements
- Symbol: Te
- Atomic number: 52
- Atomic weight: 127.60
- Silvery metalloid element of group 16. Eight natural isotopes, nine radioactive isotopes. Used in semiconductors and to a degree in some steels. Chemistry is similar to sulphur. Discovered in 1782 by Franz Miller.