Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
long-play is an adjective meaning "(used of records) playing at a slower speed and for a longer time than earlier records". It carries one recorded sense.
(used of records) playing at a slower speed and for a longer time than earlier records
Definitions, synonyms and semantic relations for long-play come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.