from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A brittle, silvery-white, rare metallic element usually found in combination with gold and other metals, produced commercially as a byproduct of the electrolytic refining of copper and used in compact discs, semiconductors, ceramics, and blasting caps and (in the form of bismuth telluride) in thermoelectric devices. In alloys it improves the machinability of stainless steel or copper, and increases the durability and hardness of lead. Atomic number 52; atomic weight 127.60; melting point 449.5°C; boiling point 988°C; specific gravity 6.23 (20°C); valence 2, 4, 6. cross-reference: Periodic Table.

from The Century Dictionary.

  • noun Same as tellurion.
  • noun Chemical symbol, Te; atomic weight, 125. One of the rarer elements, occurring in nature in small quantity in the native state and also in combination with various metals, as with gold and silver in the form of graphic tellurium, or sylvanite, with gold, lead, and antimony as nagyagite, and in several other mostly very rare mineral combinations.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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.
  • noun (Min.) See Sylvanite.
  • noun (Min.) nagyagite; -- called also black tellurium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A variant spelling of tellurion.
  • noun uncountable The chemical element with atomic number 52. Symbol: Te.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • 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


from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin tellus ("earth") + -ium

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin tellus ("earth").


  • The name tellurium came from the Latin word tellus meaning earth.


  • Hazmat tested the white powdery substance and it appeared it's called tellurium, which is a silvery, white in color and it has a metallic type luster.

    CNN Transcript Jan 11, 2007

  • Bottom line, five people who have been exposed to this substance called tellurium as you explained to us Teri, have gone through the decontamination process or are continuing to go through the decontamination process.

    CNN Transcript Jan 11, 2007

  • Commodity costs, I think you are referring to tellurium, which is the issue for our type of industry. Home Page

  • The town of Telluride in Colorado was named after the element tellurium, which is often found with gold, and brought about the famous fool's gold rush in Australia.

    SFGate: Entertainment

  • UPDATE 2:02 am 1/12/07: The powder was "tellurium:"

    Archive 2007-01-07

  • Today, commercial solar cells have been capable of achieving a power-conversion efficiency of about 9 percent to 11 percent, though they are based on rare, expensive-to-procure elements such as tellurium and indium.

    Techworld Australia News

  • 5N Plus focuses on specialty metals such as tellurium, cadmium and selenium and on related compounds such as cadmium telluride and cadmium sulphide.

    Automotive Headlines

  • GE also announced Thursday that testing by a government laboratory showed its panels set an efficiency record for this type of thin film panel, made from the elements cadmium and tellurium.

    GE jumps into the solar panel business with plans to build a big plant

  • However, he raised some questions about the government's testing methodology, saying that officials didn't conduct the tests quickly enough after the initial exposure to measure radioactive elements known to disintegrate rapidly, such as iodine 132 and tellurium.

    Japan Says Children Exposed to Radiation


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  • Te

    December 1, 2007