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thallium

thal·lium

UK/ˈθæliəm/ US/ˈθæliʌm/ rare

noun

1.

a soft gray malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores

Synonyms

Origin

Coined based on Ancient Greek θαλλός (thallós, “green branch”) (after the color of the radiation spectra), + -ium.

Phrases

  • thallium glass
  • thallium green
  • thallium hydroxide
  • thallium line
  • thallium monofluoride
  • thallium monoxide
  • thallium oxide
  • thallium sulfate

Related words

Broader terms

Parts

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.