| NOUN | substance | thallium, Tl, atomic number 81 | a soft grey malleable metallic element that resembles tin but discolors on exposure to air |
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| Sounds | thae'liyahm | |
|---|---|---|
| Rhymes | abolitionism ... zirconium: 557 rhymes with ahm... | |
| Meaning | A 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. | |
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| Synonyms | Tl, atomic number 81 | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substance of | zinc blende, blende, sphalerite | An ore that is the chief source of zinc |
| Spanish | número atómico 81, talio, Tl | |
| Catalan | número atòmic 81, tal·li, Tl | |
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