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Eocene - Dictionary Definition and Overview |
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Eocene : (noun)
1: from 58 million to 40 million years ago; presence of modern
mammals [syn: Eocene, Eocene epoch]
Based on WordNet 2.0
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Eocene : \E"o*cene\, a. [Gr. ? daybreak, dawn _ ? new, recent.]
(Geol.)
Pertaining to the first in time of the three subdivisions
into which the Tertiary formation is divided by geologists,
and alluding to the approximation in its life to that of the
present era; as, Eocene deposits. -- n. The Eocene formation.
--Lyell.
Based on WordNet (r) 2.0 (August 2003)
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