Miocene

2 definitions found

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

  Miocene \Mi"o*cene\ (m[imac]"[-o]*s[=e]n), prop. a. [Gr. mei`wn
     less + kaino`s new, fresh, recent.] (Geol.)
     Of or pertaining to the middle division of the Tertiary. --
     n. The Miocene period. See {Chart} of {Geology}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  Miocene
       n : from 25 million to 13 million years ago; appearance of
           grazing mammals [syn: {Miocene epoch}]