noun
adj
Freq #257126
Meanings
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1
noun
the geological epoch from about 23 million to 5.3 million years ago, within the Neogene Period
Several important ape fossils are known from deposits of the Miocene.
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2
adj
relating to or formed during the Miocene epoch
The museum displayed a Miocene primate jaw recovered from ancient sediments.
Thesaurus
Synonyms
1
noun
· the geological epoch from...
Miocene epoch
Word family
Etymology
Coined in 1831 by William Whewell for Charles Lyell from Greek meion, 'less,' + kainos, 'new or recent.' Lyell used it for strata containing a smaller proportion of living mollusc species than the later Pliocene; the modern epoch spans about 23 to 5.3 million years ago.