sidetone en · NOUN
Etymology
From side + tone.
Meanings
- (countable, uncountable) The effect of sound that is picked up by the telephone's mouthpiece and introduced (at low level) into the earpiece of the same handset, acting as feedback; or a similar effect in radiotelegraphy, public-address systems, etc.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| sidetones | Number=Plur | lexicographic |