the phanerozoic

  • 1Phanerozoic — The Phanerozoic (occasionally Phanaerozoic) Eon is the current eon in the geologic timescale, and the one during which abundant animal life has existed. It covers roughly 545 million years and goes back to the time when diverse hard shelled… …

    Wikipedia

  • 2Phanerozoic — [fan΄ər ə zō′ik] adj. [< Gr phaneros (see PHANEROGAM) + ZOIC] [sometimes p ] designating or of the geologic eon usually subdivided into the Paleozoic, Mesozoic, and Cenozoic eras designating or of the geologic eon usually subdivided into the… …

    English World dictionary

  • 3Phanerozoic Eon — Span of geologic time from с 543 million years ago, the end of the Proterozoic Eon, to the present. The Phanerozoic, the eon of visible life, is divided into three major eras: the Paleozoic, Mesozoic, and Cenozoic. Although life originated in… …

    Universalium

  • 4Phanerozoic — 1. adjective Of, or relating to the geologic eon from about 570 million years ago to the present; comprises the Paleozoic, Mesozoic and Cenozoic eras. 2. noun The Phanerozoic eon …

    Wiktionary

  • 5Phanerozoic — adj. pertaining to the Phanerozoic era (Geology) …

    English contemporary dictionary

  • 6phanerozoic —   the current eon of geologic time that began 2500m years ago …

    Geography glossary

  • 7Phanerozoic — noun the period from about 5,400 million years ago until the present • Syn: ↑Phanerozoic eon, ↑Phanerozoic aeon • Instance Hypernyms: ↑eon, ↑aeon • Part Meronyms: ↑Cenozoic, ↑Cenozoic era …

    Useful english dictionary

  • 8Phanerozoic aeon — noun the period from about 5,400 million years ago until the present • Syn: ↑Phanerozoic, ↑Phanerozoic eon • Instance Hypernyms: ↑eon, ↑aeon • Part Meronyms: ↑Cenozoic, ↑Cenozoic era, ↑ …

    Useful english dictionary

  • 9Phanerozoic eon — noun the period from about 5,400 million years ago until the present • Syn: ↑Phanerozoic, ↑Phanerozoic aeon • Instance Hypernyms: ↑eon, ↑aeon • Part Meronyms: ↑Cenozoic, ↑Cenozoic era, ↑ …

    Useful english dictionary

  • 10Phanerozoic — adjective Etymology: Greek phaneros + English 2 zoic Date: 1930 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 • Phanerozoic… …

    New Collegiate Dictionary