[aw-rog-ruh-fee, oh-rog-]


the branch of physical geography dealing with mountains.

Origin of orography

First recorded in 1840–50; oro-1 + -graphy
Also called o·rol·o·gy [aw-rol-uh-jee, oh-rol-] /ɔˈrɒl ə dʒi, oʊˈrɒl-/.
Related formsor·o·graph·ic [awr-uh-graf-ik, or-uh-] /ˌɔr əˈgræf ɪk, ˌɒr ə-/, or·o·graph·i·cal, adjectiveor·o·graph·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for orography

Historical Examples of orography

  • Ridges, rather than ranges, are the predominant feature of its orography.

    The Gates of India

    Thomas Holdich

  • The orography of the western coast of Hudson Bay is little known.

  • For orography and geology see an article by P. Verri in Boll.

  • While during the winter the state of the ice is of decisive importance, the orography of the land comes now into consideration.

  • Its orography gives rise to the presence of numerous rivers and streams, all of which are upon the Atlantic watershed.


    Charles Reginald Enock

British Dictionary definitions for orography


orology (ɒˈrɒlədʒɪ)


the study or mapping of relief, esp of mountains
Derived Formsorographer or orologist, nounorographic (ˌɒrəʊˈɡræfɪk) or orological (ˌɒrəʊˈlɒdʒɪkəl), adjectiveorographically or orologically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012