Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
high-resolution is an adjective meaning "producing images that are sharp and finely detailed". It carries one recorded sense.
producing images that are sharp and finely detailed
“high-resolution photography”
“a high-resolution lens”
“high-resolution television”
Definitions, synonyms and semantic relations for high-resolution come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.