They're shorter than LPs

• Many of Elvis's RCA releases
• Some dance records, for short
• "Come on Pilgrim" and "Interpol," for two
• 7-in. platters
• They may be released between albums
• Some N.T. writings
• Image file format
• Pre-album collectibles
• Some albums, briefly

Wiktionary Word definitions in Wiktionary
n. (plural of ep English)