1. long-playing - Adjective
2. long-playing - Adjective Satellite
(used of records) playing at a slower speed and for a longer time than earlier records
Source: WordNetlong playing
The 74-minute playing time of a CD, which was longer than the 22 minutes per side typical of long-playing (LP) vinyl albums, was often used to the CD's advantage during the early years when CDs and LPs vied for commercial sales. Source: Internet
Later, the more risqué humour of Pete and Dud went farther on long-playing records as " Derek and Clive ". Source: Internet