Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
dual-use is an adjective meaning "designed for or serving two purposes". It carries one recorded sense.
designed for or serving two purposes
“a supercomputer can be used for civilian or military purposes”
Definitions, synonyms and semantic relations for dual-use come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.