(Science: chemistry) 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.
(Science: chemical) Nagyagite.
Synonym: black tellurium.
Origin: NL, from L. Tellus, -uris, the earth.