From GNU Collaborative International Dictionary of English, version 0.54: L-P, LP n. [long-playing.] a long-playing phonograph record; designed to be played at 33.3 rpm. [Acronym] [WordNet 1.5]
L-P, LP n. [long-playing.] a long-playing phonograph record; designed to be played at 33.3 rpm. [Acronym]
[WordNet 1.5]