Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
exergonic is an adjective meaning "(biochemistry) of a process accompanied by the release of energy". It carries one recorded sense.
(biochemistry) of a process accompanied by the release of energy
“diffusion is an exergonic process”
biochemistry
Definitions, synonyms and semantic relations for exergonic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.