long-playing adjective1 •Referring to records that recorded a greater amount of sound than previous versions had; an LP; generally a 12-inch 33⅓-RPM vinyl record.Victor Crabbe's headmaster was a little man called Boothby [...] who subscribed to a popular book club and had many long-playing records, who invited people to curry tiffin and said, "Take a pew." — 1956 formslonger-playing · longest-playing
