In a sentence
Three example sentences with commutator, each labelled with its topic.
Carbon brushes press against the commutator, flipping the current every half turn so the motor keeps spinning the same way.
Technology
The demonstration motor stalls whenever the commutator is dirty, because the current can no longer change direction at the right moment.
Science
Victorian workshops filed a new commutator by hand whenever a motor began sparking and losing power on the bench.
History
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Found in these word lists
- Engineering Technology Word ListAuthoritative
Each source is a published word list that contains commutator. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.