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
a soft blue-white metal that is poisonous, used in photoelectric cells and to kill rats, mice, and insects. It is a chemical element : symbol Tl (thallos ; because it has a bright green line in its spectrum)
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
Definition of talyum in Turkish Turkish dictionary
Atom numarası 81, atom ağırlığı 204,39 olan, fizik özellikleri bakımından kurşuna çok yaklaşan, yoğunluğu 11,85, erime derecesi 303° C olan, tuzları ve birleşikleri zehirli bir element. Kısaltması Tl