English dictionary
trias
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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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 <i>Bunter sandstein</i>, <i>Muschelkalk</i>, and <i>Keuper</i>.
Source: webster1913