'Jura-triassic' definitions:

Definition of 'Jura-triassic'

From: GCIDE

Jura-trias \Ju`ra-tri"as\, n. (Geol.) A term applied to many American Mesozoic strata, in which the characteristics of the Jurassic and Triassic periods appear to be blended. -- {Ju`ra-tri*as"sic}, a. [1913 Webster]