Dictionary

transformer

noun trans·form·er \tran(t)s-ˈfr-mər\

: a device that changes the voltage of an electric current

Full Definition of TRANSFORMER

:  one that transforms; specifically :  a device employing the principle of mutual induction to convert variations of current in a primary circuit into variations of voltage and current in a secondary circuit

First Known Use of TRANSFORMER

1596
May 22, 2015
nepotism Hear it
favoritism based on kinship
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