magnetotelephone en · NOUN
Etymology
From magneto- + telephone.
Meanings
- (dated) An early telephone with a diaphragm of soft iron placed close to the pole of a magnet upon which is wound a coil of fine wire. Its vibrations produce corresponding currents in the wire by induction.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| magnetotelephones | Number=Plur | lexicographic |