To see details on the word
please enable javascript.


  a geologic epoch that began roughly 2.5 million years ago and ended 12,000 years ago; included extensive glaciation of the northern hemisphere and the time of human evolution
 Mark word for later review on this computer
Web Links:
(try right-click if popups are disabled)
Dictionary -®
Dictionary/Synonyms - Google®
Dictionary List - OneLook®
Wikipedia Article
Wikipedia Article
Google Images
Search for samples from other sources:
(try right-click if popups are disabled)
Interest -- Source
General -- Google News®
General -- Time® Magazine
General -- Twitter®
Associated words [difficulty]:   Pleistocene , Jurassic [6] , Cretaceous [7] , Mesozoic [8] , Cambrian [9]
     If popups are enabled: Search in OneLook®   If Flash® is also enabled: Search in Visuwords®
Most commonly used in these subjects:   Science, Engineering, Nature & Ecology
Home . . . enhancing vocabulary while reading