Table of Contents

1. Tl

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.


  • atomic number 81
  • thallium
  • zinc blende
  • sphalerite
  • blende
  • metal

Featured Games

Sentences with tl

1. Adjective
So tl;dr: Start saving right this second, because in the retirement savings game, time is almost more important than money.