orohydrographic
/ˌɒrəʊhʌɪdrəˈɡrafɪk/ /ˌɔːrəʊhʌɪdrəˈɡrafɪk/Physical Geography
adjective
= orohydrographical.
Origin
Late 19th century; earliest use found in Proceedings of the Royal Geographical Society. From oro- + hydrographic, perhaps after French orohydrographique. Compare German oro-hydrographisch.