Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
energy-absorbing is an adjective meaning "(of a nuclear reaction) occurring with absorption of energy". It carries one recorded sense.
(of a nuclear reaction) occurring with absorption of energy
Definitions, synonyms and semantic relations for energy-absorbing come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .