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Definition of Paleozoic
1. Noun. From 544 million to about 230 million years ago.
Exact synonyms: Paleozoic Era
Terms within: Permian, Permian Period, Carboniferous, Carboniferous Period, Age Of Fishes, Devonian, Devonian Period, Silurian, Silurian Period, Ordovician, Ordovician Period, Cambrian, Cambrian Period
Generic synonyms: Era, Geological Era
Terms within: Permian, Permian Period, Carboniferous, Carboniferous Period, Age Of Fishes, Devonian, Devonian Period, Silurian, Silurian Period, Ordovician, Ordovician Period, Cambrian, Cambrian Period
Generic synonyms: Era, Geological Era
2. Adjective. Of or relating to or denoting the Paleozoic era.
Definition of Paleozoic
1. a. 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.
Definition of Paleozoic
1. [adj]
Medical Definition of Paleozoic
1.