Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
detonative is an adjective meaning "exploding almost instantaneously". It carries one recorded sense.
exploding almost instantaneously
Definitions, synonyms and semantic relations for detonative come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.