Ma'anar ƙamus na kalmar "geomorphological" yana da alaƙa da nazarin sifofi da fasalin saman duniya, musamman dangane da tsarin yanayin ƙasa, yanayin ƙasa, da tsarin halitta waɗanda ke siffanta su. Geomorphology shine nazarin kimiyya na tsarin ƙasa, asalinsu, juyin halitta, da rarrabawa, da hanyoyin da ke siffanta su, kamar zaizayar ƙasa, yanayin yanayi, da ayyukan tectonic. Saboda haka, "geomorphological" yana nufin duk wani abu da ya shafi ko kuma ya shafi nazarin abubuwan da ke faruwa a saman duniya da kuma hanyoyin da suka tsara su.