Definition of THALLIUM

thallium

Plural: thalliums

Noun

  • A soft, silvery-white metallic element, highly toxic.
  • a soft grey 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
  • A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.
  • A single atom of this element.

Examples

  • Opponents might fear THALLIUM, not for its toxicity, but for its high Scrabble point value.

Origin / Etymology

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

Synonyms

atomic number 81, Tl

Scrabble Score: 13

thallium: valid Scrabble (US) TWL Word
thallium: valid Scrabble Word in Merriam-Webster MW Dictionary
thallium: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 16

thallium: valid Words With Friends Word