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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 Trias
 三疊紀,三疊紀層

From: Webster's Revised Unabridged Dictionary (1913)

 Tri·as n.  Geol. The formation situated between the Permian and Lias, and so named by the Germans, because consisting of three series of strata, which are called in German the Bunter sandstein, Muschelkalk, and Keuper.
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