from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or belonging to the geologic time, rock series, or sedimentary deposits of the fourth epoch of the Tertiary Period, characterized by the development of grasses and grazing mammals. See Table at geologic time.
  • n. The Miocene Epoch or its system of deposits.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of a geologic epoch within the Neogene period from about 23 to 5.3 million years ago; marked by the drift of continents to their present position.
  • proper n. The Miocene epoch.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to the middle division of the Tertiary.

from The Century Dictionary and Cyclopedia

  • In geology, one of Lyell's subdivisions of the Tertiary. See Tertiary.
  • n. In geology, the Miocene strata. Also spelled Meiocene.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. from 25 million to 13 million years ago; appearance of grazing mammals


from The American Heritage® Dictionary of the English Language, 4th Edition

Greek meiōn, less, + -cene.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek μείων (meiōn, "less") + καινός (kainos, "new").


  • The term Miocene (from Greek meion, less; and Greek kainos, recent) is intended to express a minor proportion of Recent species (of testacea); the term Pliocene (from Greek pleion, more; and Greek kainos, recent), a comparative plurality of the same.

    The Antiquity of Man

  • Discovered in Miocene rocks of Comallo, Argentina, it appears to be a phorusrhacine closely related to Devincenzia, another of those obscure taxa known from pretty good remains.

    Archive 2006-10-01

  • First Captain Miocene hires a drifter named Pamir - the umpteenth identity of a former captain that has been hiding for centuries - to find the killer.

    REVIEW: The Year's Best Science Fiction # 23 edited by Gardner Dozois

  • Rainfall increased, too, called the Miocene pluvials. News

  • The strata next below the Pleistocene gravels and cave deposits are ascribed to the "Pliocene age" -- older than these are the "Miocene" and the "Eocene," and then you come to the Chalk, a good white landmark separating newer from older strata.

    More Science From an Easy Chair

  • “The Miocene was my father’s main interest when I started in this business,” Richard explained.

    Ancestral Passions

  • So, two years ago, Miocene anomalies looked important, now not so clear – looks like CO2 and temperature do track.

    2009 December | Serendipity

  • In jail after an unwise decision, he contemplates "the Miocene logic and cruel outcomes afflicting all those with pluck but no punctilio."

    The Style of a Wild Man

  • The fossil skeleton was recovered from Devon Island in the Canadian Arctic, from Miocene-aged sediments.

    My Birth Dinosaur!

  • Last night I enjoyed a decent, if juvenile, 1998 Gulf of Mexico Miocene Sand Light Sweet Crude from Chateau Chevron notes of wax paper, tire tread, asphalt -- could have benefited from another 14 million years of maturation.

    Oil spill: What we have here is a failure of communication


Log in or sign up to get involved in the conversation. It's quick and easy.