DICT.TW Dictionary Taiwan
3.129.63.214
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 Phanerozoic aeon
      n : the period from about 5,400 million years ago until the
          present [syn: Phanerozoic, Phanerozoic eon]