Pa·leo·zo·ic /ˌpeliəˈzoɪk, ||ˌpæ-/
(a.)古生代的古生代
Pa·le·o·zo·ic a. Geol. Of or pertaining to, or designating, the older division of geological time during which life is known to have existed, including the Silurian, Devonian, and Carboniferous ages, and also to the life or rocks of those ages. See Chart of Geology.
Pa·le·o·zo·ic n. Geol. The Paleozoic time or strata.
◄ ►
Paleozoic
n : from 544 million to about 230 million years ago [syn: Paleozoic
era]