Phanerozoic
adjective
Phan·er·o·zo·ic
| \ ˌfa-nə-rə-ˈzō-ik
\
\
Definition of Phanerozoic
: of, relating to, or being an eon of geologic history that comprises the Paleozoic, Mesozoic, and Cenozoic or the corresponding systems of rocks — see Geologic Time Table
Keep scrolling for more