THALLIUM


Meaning of THALLIUM in English

( n. )

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.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.