autotransformer

noun au·to·trans·form·er \ ˌȯ-tō-tran(t)s-ˈfȯr-mər \

Definition of autotransformer

: a transformer in which the primary and secondary coils have part or all of their turns in common

First Known Use of autotransformer

1895

in the meaning defined above

See Words from the same year
NEW! Time Traveler

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