thallium
pronunciation
How to pronounce thallium in British English:
UK [ˈθæliəm]
How to pronounce thallium in American English:
US [ˈθæliəm]
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- Noun:
- a soft gray 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
Word Origin
- thallium (n.)
- rare metallic element, 1861, Modern Latin, from Greek thallos "young shoot, green branch" (see thallus) + element name ending -ium. So called by its discoverer, Sir William Crookes (1832-1919), from the green line in its spectrum by which he detected it. Related: Thallic.
Example
- 1. The geochemical behavior of thallium had definite particular characteristics , and there were some differences between soils and sediments .
- 2. This study also indicates that the thallium content in human hair is not the characteristic sign of thallium pollution .
- 3. Commercial test on recovering thallium from dust collected by ESP
- 4. and that thallium deposits have characteristics of epithermal mineralization .
- 5. The thallium - 201 myocardial perfusion study showed positive finding and the result of treadmill exercise electrocardiogram was inconclusive .