from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The process of mountain formation, especially by a folding and faulting of the earth's crust.

from The Century Dictionary.

  • noun Same as orogenesis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geology the process of mountain building by the upward folding of the Earth's crust.

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

  • noun the process of mountain formation (especially by the upward displacement of the earth's crust)


from Wiktionary, Creative Commons Attribution/Share-Alike License

From oro- + -geny.


  • An extra 10 points to Damian in that piece for using the word "orogeny", which I'm embarrassed to say - Telegraph online, Daily Telegraph and Sunday Telegraph

  • Scientist said that Halong bay has experienced at least 500 million years in various of ancient geographic condition such as orogeny, marine transgression and marine regression.

    The News is - The News is Now Public

  • Alternately, the Galician-Portuguese Western extreme of the ecoregion is characterized by lower smooth elevations, which correspond to very old massifs shaped by the late Paleozoic Hercynian orogeny.

    Cantabrian mixed forests

  • Many ridges are formed on well-cemented, relatively resistant material such as sandstone or conglomerate; they are often rather parallel and alternate with valleys but, in central Pennsylvania, they zigzag because resistant strata were compressed into plunging folds during orogeny and later eroded.

    Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)

  • Neotropical floristic diversity: Phytogeographical connections between Central and South America, Pleistocene climatic fluctuations, or an accident of the Andean orogeny.

    Serra do Mar coastal forests

  • This range was shaped by an intense Alpine orogeny into a complex landscape characterized by steep rocky slopes, amazing canyons, karstic high plains, and high summits.

    Cantabrian mixed forests

  • In this orogeny, compressional forces squished sedimentary deposits that existed between the converging continental plates and rocks at the margin of the Eurasian and Indian plates upward in elevation.


  • This is the northernmost and wettest of the central Asian depressions, remnants of a Tertiary era inland sea, with relict glaciers, glacier lakes and a wide variety of rock types, the result of a long series of successive eras of deposition and orogeny.

    Uvs Nuur Basin, Russian Federation, Republic of Tuva and Mongolia

  • These mountains are part of the western Iberian old Hercynian system, which constitutes medium elevations with a smooth relief, scarcely influenced by the Alpine orogeny.

    Northwest Iberian montane forests

  • The Alpine orogeny has shaped the complex Pyrenean landform.

    Pyrenees conifer and mixed forests


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  • You know, of course, that subduction leads to orogeny.

    May 11, 2010

  • Then comes the folding and the faulting, and making mountains out of molehills.

    May 11, 2010

  • When Wales and England met Scotland 430m years ago during the frankly smutty-sounding Caledonian orogeny, a range of mountains – the Caledonides – of Himalayan proportions was formed at the centre of a continent that contained all the world's landmass.
    - Ian Vince, Britain's Historic Past, in, 26-5-11.

    June 10, 2011

  • Definitely belongs on a "sounds filthy" list.

    June 10, 2011

  • Is yarb using some special kind of "whisper font"?

    *Is jealous, because I have no idea how to do that*

    June 10, 2011

  • blockquote
    (some html is allowed)

    June 11, 2011

  • Monadnocks are rather a prodigy -

    Both orphaned and sterile of progeny.

    Peaks crowded in ranges

    Will undergo changes,

    But these are aloof from orogeny.

    April 16, 2019