[awr-uh-jen, -juh n, ohr-] /ˈɔr əˌdʒɛn, -dʒən, ˈoʊr-/
an extensive belt of rocks deformed by orogeny, associated in places with plutonic and metamorphic rocks.
[aw-roj-uh-nee, oh-roj-] /ɔˈrɒdʒ ə ni, oʊˈrɒdʒ-/ noun, Geology. 1. the process of mountain making or upheaval. /ɒˈrɒdʒɪnɪ/ noun 1. the formation of mountain ranges by intense upward displacement of the earth’s crust, usually associated with folding, thrust faulting, and other compressional processes n. “mountain forming,” 1890, from French orogénie; see oro- + -geny. Related: Orogenic. […]
noun 1. any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
noun 1. precipitation caused by the lifting of moist air over a mountain barrier.
[awr-oh-ahyd, ohr-] /ˈɔr oʊˌaɪd, ˈoʊr-/ noun 1. an alloy containing copper, tin, etc., used to imitate gold. /ˈɔːrəʊˌaɪd/ noun 1. an alloy containing copper, tin, and other metals, used as imitation gold