Pronunciation · Spelling · Definition
How to say: thallium
Spelling:
Thallium
Syllables
thallium
US accent
/θˈæliəm/
UK accent
/θˈaliəm/
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Definition
Definition — 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