Phanerozoic Hear it!

Phanerozoic Definition

Phan·ero·zoic (fan′ər ə zōik)

adjective

designating or of the geologic eon usually subdivided into the Paleozoic, Mesozoic, and Cenozoic eras

Etymology: < Gr phaneros (see phanerogam) + -zoic

Phanerozoic Idioms

the Phanerozoic

the Phanerozoic Eon or its rocks