noun🔗Share78回転レコード(retronym) A gramophone record played at 78 revolutions per minute."My grandfather still owns a stack of 78s that he plays on his vintage record player. "祖父は今でも、ビンテージのレコードプレーヤーで再生する78回転レコードをたくさん持っています。musictechnologysoundentertainmentmachineelectronicshistoryChat with AIVocabulary GamePractice Reading