Meaning of biophotophone | Babel Free
Definitions
An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds; an early kind of film projector.
historical
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.