compact cassette

English

compact cassette (plural compact cassettes)

(sound engineering) The standard cassette tape format introduced in 1963 by Philips; an audio cassette.

cassette tape {now synonymous with the original name "Compact Cassette", although originally there were competing cassette tape standards}
audio cassette or (frequently) simply: cassette
Compact Audio Cassette
music cassette {pre-recorded cassette, also known as Music-Cassettes, and later just Musicassettes; (M.C. for short)}