Skip to definition.
Get the FREE one-click dictionary software for Windows.
NEW iPhone Audio English dictionary


Noun: thallium  tha-lee-um
  1. A soft grey malleable metallic element that resembles tin but discolours on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
    - Tl, atomic number 81

Derived forms: thalliums

Type of: metal, metallic element

Part of: blende, sphalerite, zinc blende

Encyclopedia: Thallium

Nearest

Thalassoma bifasciatum
thalassotherapy
thaler
Thales
Thales of Miletus
Thalia
Thaliacea
Thalictrum
thalidomide
Thalidone
thallium
thalloid
Thallophyta
thallophyte
thallophytic
thallus
thalmencephalon
thalweg
Thames
Thames River
Thammuz