DICT.TW Dictionary Taiwan
3.145.97.235
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 atomic number 87
      n : a radioactive element of the alkali-metal group discovered
          as a disintegration product of actinium [syn: francium,
           Fr]