Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The youngest of two subdivisions of the Tertiary Period, from 23 to 1.8 million years ago, including the Miocene and Pliocene Epochs.

from The Century Dictionary.

  • Newborn; later developed: an epithet sometimes applied to the later Tertiary as distinguishing it from the older Tertiary, which latter would embrace the divisions now denominated Eocene and Oligocene.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective geology Of a geologic period within the Cenozoic era; comprises the Miocene, Pliocene, Pleistocene and Holocene epochs from about 26 million years ago to the present.
  • proper noun geology The Neogene period.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[German Neogen : neo-, neo- + -gen, -gene.]

Examples

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