DictionarytelluriumChemical element
noun

tellurium

teh-LOOR-ee-um/teˈlʊriəm/

A brittle, silvery chemical element used in alloys and semiconductors.

Manufacturers add tellurium to certain alloys to improve their machinability.

A tellurium specimen in a small laboratory sample dish marked only “Te,” with silvery-gray crystalline pieces and sharp, brittle fracture surfaces clearly visible.
Etymology

Tellus gives this element an earth-based name, while -ium places it in the naming pattern used for metallic elements. Klaproth coined the name from these components.

In context

wikipedia tts11:02
… electro refining of copper and nickel noble metals such as silver gold and the platinum group metals together with nonmetallic elements such as selenium and tellurium
Osmium | Wikipedia audio article

More examples

  • Tellurium is a brittle element with a silvery appearance.
  • Some solar cells contain a semiconductor made with tellurium.
  • The chemical symbol for tellurium is Te.

Forms

telluride noun — A compound containing tellurium and another element.