from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A yellowish mineral, tellurium dioxide (TeO2).
  • n. The oxyanion TeO32- derived from tellurous acid; any salt containing this anion.

from the GNU version of the Collaborative International Dictionary of English

  • n. A salt of tellurous acid.
  • n. Oxide of tellurium. It occurs sparingly in tufts of white or yellowish crystals.

from The Century Dictionary and Cyclopedia

  • n. In chem., a compound of tellurous acid and a base.
  • n. In mineralogy, tellurium dioxid, a mineral found in small yellowish or whitish spherical masses, having a radiated structure, occurring with native tellurium.


Named in 1849 because of its chemical composition. (Wiktionary)



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