Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
subocean is an adjective meaning "formed or situated or occurring beneath the ocean or the ocean bed". It carries one recorded sense.
formed or situated or occurring beneath the ocean or the ocean bed
“suboceanic oil resources”
Definitions, synonyms and semantic relations for subocean come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.