Definitions

from The Century Dictionary.

  • noun The chemical symbol of the metal thallium.

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

  • noun chemistry Symbol for thallium.
  • noun metrology Symbol for the teraliter (teralitre), an SI unit of fluid measure equal to 1012 liters (litres).

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

  • noun 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

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word Tl.

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.