About The Word Thallium
Learn about the word Thallium to help solve your crossword puzzle. Discover Thallium definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Thallium
| Thallium Definition And Meaning |
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What's The Definition Of Thallium?
[n] 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
Synonyms | Synonyms for Thallium: atomic number 81 | Tl Related Terms | Find terms related to Thallium: See Also | blende | metal | metallic element | sphalerite | zinc blende Thallium In Webster's Dictionary \Thal"li*um\, n. [NL., fr. Gr. ? young or green shoot
or branch, twig. So called from a characteristic bright green
line in its spectrum.] (Chem.)
A rare metallic element of the aluminium group found in some
minerals, as certain pyrites, and also in the lead-chamber
deposit in the manufacture of sulphuric acid. It is isolated
as a heavy, soft, bluish white metal, easily oxidized in
moist air, but preserved by keeping under water. Symbol Tl.
Atomic weight 203.7.
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