Sinhala Dictionary definitions for lias
lias 🔊
lias : පොසිල ඇති නිල්වන් ගල් විශේෂයක්
lias definition
Noun. The lowest of the three divisions of the Jurassic period; a name given in England and Europe to a series of marine limestones underlying the Oolite. See the Chart of Geology.