TELLURIUM

tellurium, Te, atomic number

(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

Source: WordNet® 3.1

Etymology 1

Noun

tellurium (countable and uncountable, plural telluriums)

(uncountable) The chemical element with atomic number 52. Symbol: Te. A rare, brittle, mildly toxic, silver-white metalloid.

(countable) A single atom of this element.

Synonyms

• sylvanium (obsolete)

Hypernyms

• chalcogen

Etymology 2

Noun

tellurium

A variant spelling of tellurion.

Source: Wiktionary

Tel*lu"ri*um, n. Etym: [NL., from L. tellus, -uris, the earth.] (Chem.)

Definition: 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. Graphic tellurium. (Min.) See Sylvanite.

– Tellurium glance (Min.), nagyagite; -- called also black tellurium.

Source: Webster’s Unabridged Dictionary 1913 Edition