'Liassic' definitions:
Definition of '
Liassic
'
From:
GCIDE
Liassic \Li*as"sic\ (l[-i]*[a^]s"s[i^]k), a. (Geol.) Of the age of the Lias; pertaining to the Lias formation. -- n. Same as
Lias
. [1913 Webster]
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