Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
differentially is an adverb meaning "in a differential manner". It carries one recorded sense.
in a differential manner
“Hubel and Wiesel have found cells that respond differentially according to the direction in which a stimulus is moved across the retina”
Definitions, synonyms and semantic relations for differentially come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.