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Oligocene (adj.)
1856, in geology, "pertaining to the Tertiary period between the Eocene and the Miocene," now defined roughly as 34 million to 23 million years before the present, coined in German (1854) by paleontologist Heinrich Ernst von Beyrich (1815-1896), from oligo- "small, little, few" + -cene. So called because few modern fossils were found in Oligocene rocks, which were especially prominent in northern Germany.
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Definitions of Oligocene from WordNet
Dictionary entries near Oligocene
Olga
oligarch
oligarchic
oligarchy
oligo-
Oligocene
oligopolistic
oligopoly
oligotrophy
oliguria
olio