Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
aseptic is an adjective meaning "free of or using methods to keep free of pathological microorganisms". It carries one recorded sense.
free of or using methods to keep free of pathological microorganisms
“a sterile operating area”
“aseptic surgical instruments”
“aseptic surgical techniques”
Definitions, synonyms and semantic relations for aseptic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.