harmonic engine en · NOUN
Meanings
- (historical) A machine in which the energy of an electric current is used, by means of two small electromagnets, to keep up the vibrations of a large and heavily-weighted tuning fork whose arms are connected to two pistons working a miniature pump.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| harmonic engines | Number=Plur | lexicographic |