Table of Contents
Antonyms
Synonyms
Etymology
1. thallium
noun. ['ˈθæliːəm'] 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.
Antonyms
Synonyms
Etymology
- thallium (English)
- θαλλός (Ancient Greek (to 1453))