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