Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
flame-out is a noun meaning "the failure of a jet engine caused by an interruption of the fuel supply or by faulty combustion". It carries 2 recorded senses.
the failure of a jet engine caused by an interruption of the fuel supply or by faulty combustion
jet engine
a complete or conspicuous failure
“the spectacular flame-out of the company's stock cost many people their life savings”
Definitions, synonyms and semantic relations for flame-out come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.