commutatornoun [ C ]
uk/ˈkɒm.jə.teɪ.tər/us/ˈkɑː.mjə.teɪ.t̬ɚ/specializeda device used in some types of electric motors to change the direction in which an electric current is flowing
Thesaurus: synonyms and related words
Electrical components & circuitry
- accumulator
- anode
- armature
- baseband chip
- capacitor
- cathode ray
- chip
- circuit
- circuit board
- electrode
- electromotive
- fuel cell
- fused
- grid
- integrated circuit
- negative pole
- NiCad
- parallel
- photovoltaic cell
- transistor
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Examples from literature
- Brushes sparking badly on commutator of dynamo—due to poor contact.
- Q. Why should sandpaper be used to smooth commutator instead of emery cloth?
- The first dynamos were constructed with two commutator bars.
- There are fifteen sections in the commutator, and each coupling is connected to a section.
- These vibrations are adjusted to a very narrow range, but are sufficient to close the contacts of a commutator which reverses the current at each semi-vibration of the pendulum.