Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
heterometabolism is a noun meaning "development of insects with incomplete metamorphosis in which no pupal stage precedes maturity". It carries one recorded sense.
development of insects with incomplete metamorphosis in which no pupal stage precedes maturity
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for heterometabolism come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.