videocassette

[vid-ee-oh-kuh-set, -ka-] /ˈvɪd i oʊ kəˌsɛt, -kæ-/
noun
1.
a cassette enclosing a length of tape for video recording or reproduction.
Origin
1965-70; video + cassette
British Dictionary definitions for video cassette

video cassette

noun
1.
a cassette containing video tape
Word Origin and History for video cassette

videocassette

n.

1971, from video + cassette. Videocassette recorder is from 1971, usually VCR (also 1971), now a period piece.