orography in British English
(ɒˈrɒɡrəfɪ) or orology (ɒˈrɒlədʒɪ)
nounthe study or mapping of relief, esp of mountains
Derived forms
orographer (oˈrographer) or orologist (oˈrologist) noun
orographic (ˌɒrəʊˈɡræfɪk), orographical (ˌoroˈgraphical) or orological (ˌɒrəʊˈlɒdʒɪkəl) adjective
orographically (ˌoroˈgraphically) or orologically (ˌoroˈlogically) adverb