Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
subcutaneously is an adverb meaning "below the skin". It carries one recorded sense.
below the skin
“inject subcutaneously”
Definitions, synonyms and semantic relations for subcutaneously come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.