Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
hubble-bubble is a noun meaning "an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water". It carries one recorded sense.
Definitions, synonyms and semantic relations for hubble-bubble come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.