Ordovician meaning in Urdu & English

(1) - Ordovician (n.) The Ordovician formation.
(2) - Ordovician (a.) Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian.

ordovician | orthoepically | orthoepist | orthoepistic | orthoepy | orthopaedics | orthopaedist | orthopaedy | orthophosphate | orthopnoea | ortive