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