HyperDic: thallium

English > 1 sense of the word thallium:
NOUNsubstancethallium, Tl, atomic number 81a soft grey malleable metallic element that resembles tin but discolors on exposure to air
thallium > pronunciation
Soundsthae'liyahm
Rhymesabolitionism ... zirconium: 557 rhymes with ahm...
English > thallium: 1 sense > noun 1, substance
MeaningA soft grey 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.
SynonymsTl, atomic number 81
Broadermetallic element, metalAny of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Substance ofzinc blende, blende, sphaleriteAn ore that is the chief source of zinc
Spanishnúmero atómico 81, talio, Tl
Catalannúmero atòmic 81, tal·li, Tl

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