thallium

IPA: θˈæɫiʌm

A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.
A single atom of this element.

Examples of "thallium" in Sentences

JOHN HENRY, CLINICAL TOXICOLOGIST: You could call thallium poisoning chemical torture.
Her son, Sipho, was poisoned with a rare substance called thallium, while in detention with a friend, Topsy
The name thallium comes from the Greek word thallios which means a green twig, which is a reference to this green line.
Doctors at Groote Schuur hospital discovered he had been poisoned with a rare substance known as thallium, which left him seriously ill and confined to a wheelchair.
So thus we launched a broad based educational effort to highlight opportunities for providing imaging solutions to patients using alternatives, such as thallium where appropriate.
Separated U-233 is always contaminated with traces of 232U (69 year half life but whose daughter products such as thallium-208 are strong gamma emitters with very short half lives);
Unfortunately the addition of lead or other heavy metals (such as thallium) makes the product very soft and also very subject to attack by gases such as are always present in the atmosphere of cities.