Eocene

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E·o·cene

(ē′ə-sēn′)

adj.

Of, relating to, or being the epoch of geologic time from about 56 to 34 million years ago, the second epoch of the Tertiary Period. It is characterized by warm climates, the rise of most modern mammalian families, and the formation of the Himalayas. See Table at geologic time.

The Eocene Epoch.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Eocene

(ˈiːəʊˌsiːn)

adj

(Palaeontology) of, denoting, or formed in the second epoch of the Tertiary period, which lasted for 20 000 000 years, during which hooved mammals appeared

(Palaeontology) the Eocene the Eocene epoch or rock series

[C19: from eo- + -cene]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

E•o•cene

(ˈi əˌsin)
adj.

1. noting or pertaining to an epoch of the Tertiary Period, occurring from 55 million to 40 million years ago, characterized by the advent of the modern mammalian orders.

2. the Eocene Epoch or Series.

[1831; eo- + -cene]

E·o·cene

(ē′ə-sēn′)

The second epoch of the Tertiary Period, from about 58 to 37 million years ago, characterized by warm climates and the rise of most modern families of mammals. See Chart at geologic time.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun

Eocene - from 58 million to 40 million years ago; presence of modern mammals

Eocene epoch

Tertiary, Tertiary period - from 63 million to 2 million years ago

Translations

eoceno

éocène

eocene eocenico

Eocene

[ˈiːəʊsiːn] ADJ (Geol) → eoceno

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

References in classic literature ?

For a moment my gaze traversed the landscape beneath until it was caught and held by four figures near the base of the cliff--a human figure held at bay by three hyaenodons, those ferocious and blood-thirsty wild dogs of the Eocene. A fourth beast lay dead or dying near by.

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Cuvier used to urge that no monkey occurred in any tertiary stratum; but now extinct species have been discovered in India, South America, and in Europe even as far back as the eocene stage.

View in context

Aker BP's 24/9-13 Rumpetroll exploration well was spudded on June 16 with the Deepsea Nordkapp targeting pre-drill resources of 45-148 mmboe in the Eocene injectite play.

Exploration and appraisal activity; NORWAY

"Three of West Rustavi's other wells will also be sidetracked in the Middle Eocene structure, and two of them tested for their historic gas discoveries in the Lower Eocene."

Block Energy brings impressive 16aZ well into production at West Rustavi

Brontothere is an extinct mammal from the Eocene epoch from 56 to 34 million years ago.

First brontothere fossils unearthed in China

The 15-metre-long and 1.5-metric-tonne ancient whale was an apex predator that lived in the late Eocene about 38-34m years ago.

Study reveals first direct evidence of Basilosaurus isis' diet

The conventional exploration methods applied, particularly for Paleocene, Eocene and Miocene deposits have been tested by many companies over the past decades.

MODEL BASED VELOCITY INVERSION IN DHULIAN ANTICLINE BY INTEGRATED GEOPHYSICAL DATA SET, UPPER INDUS BASIN, PAKISTAN

Without reductions in greenhouse gas emissions, our climates by 2150 could compare to the warm and mostly ice-free Eocene, an epoch that characterised the globe 50 million years ago, said researchers from the University of Wisconsin-Madison in the US.

Humans reversing climate clock by 50mn years: Study

Particularly important are his investigations and descriptions of mammals from the early Middle Eocene of Grube Messel near Darmstadt, such as bats including the new species Archaeonycteris pollex and Trachypteron franzeni.

GERHARD STORCH, 1939-2017

The company said initial testing in the Eocene carbonates of Chorgali, Sakesar formation, 313 barrels per day of hydrocarbons flowed together with a minor immeasurable quantity of gas at FWHP of 77 psi on 32/64' choke.

PPL discovers hydrocarbons at Chakwal

Based on good oil/gas show during core and drilling, a Bare Foot Drill Stem Test was conducted in the carbonates of Chorgali - Sakesar formation of Eocene age.