Definify.com
Webster 1913 Edition
Miocene
Mi′o-cene
(mī′ō̍-sēn)
, p
rop.
Adj.
[Gr.
μείων
less + καινόσ
new, fresh, recent.] (Geol.)
Of or pertaining to the middle division of the Tertiary.
– Noun.
The Miocene period. See
Chart
of Geology
.