DICT.TW Dictionary Taiwan
3.144.39.186

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Pots·dam group Geol. A subdivision of the Primordial or Cambrian period in American geology; -- so named from the sandstone of Potsdam, New York. See Chart of Geology.