liassic

/L AY1 AH0 S IH0 K/
adjective
  1. 1

    Consisting of or pertaining to lias (blue limestone).

  2. 2

    (paleontology, dated) Of or relating to the Lias or its fossils.

  3. 3

    (geology) Alternative letter-case form of Liassic. [(paleontology, dated) Of or relating to the Lias or its fossils.]