Sinhala Dictionary definitions for thallium
thallium 🔊 /θæˈliʌm/
thallium : තැල්ලියම්
thallium : තැලියම්
thallium definition
Noun. 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.