Bible Dictionaries
Biophotophone

Webster's Dictionary

(n.) An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds.

Bibliography Information
Webster, Noah. Entry for 'Biophotophone'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​b/biophotophone.html. 1828.