Pleistocene

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pleistocene \Pleis"to*cene\, a. [Gr. ? most + ? new.] (Geol.)
     Of or pertaining to the epoch, or the deposits, following the
     Tertiary, and immediately preceding man. -- n. The
     Pleistocene epoch, or deposits.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  Pleistocene
       n : from two million to 11 thousand years ago; extensive
           glaciation of the northern hemisphere; the time of human
           evolution [syn: {Pleistocene epoch}, {Glacial epoch}]