visible speech: Meaning and Definition of
vis'ible speech'
— Phonet. Phonet.
- the representation in graphic or pictorial form of characteristics of speech, as by means of sound spectrograms.
- the system of handwritten phonetic symbols invented by Melville Bell in 1867 to provide a visually comprehensible rendition of speech sounds.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.