Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
geomorphologic is an adjective meaning "pertaining to geological structure". It carries one recorded sense.
pertaining to geological structure
“geomorphological features of the Black Hills”
“morphological features of granite”
“structural effects of folding and faulting of the earth's surface”
geology
Definitions, synonyms and semantic relations for geomorphologic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.