DICT.TW Dictionary Taiwan
3.148.107.193
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 atomic number 81
      n : 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 [syn: thallium, Tl]