Age of Mammals

Definitions of Age of Mammals
  1. noun
    the current geologic era, starting about 66 million years ago; the current Phanerozoic era
    synonyms: Cenozoic, Cenozoic era
    see moresee less
    example of:
    era, geological era
    a major division of geological time; an era is usually divided into two or more periods
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘Age of Mammals'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family