LIAS


Meaning of LIAS in English

n. 1 (Lias) Geol. the lower strata of the Jurassic system of rocks, consisting of shales and limestones rich in fossils. 2 a blue limestone rock found in SW England. liassic adj. (in sense 1).

[ ME f. OF liois hard limestone, prob. f. Gmc ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.