rectifier

nouns

electrical device that transforms alternating into direct current
rectifier
is a type of (narrower)
a device that produces or is powered by electricity
electrical device
a person who corrects or sets right
"a rectifier of prejudices"
rectifier
is derived from
rectify
is a type of (narrower)
a human being
"there was too much for one person to do"
individual, mortal, person, somebody, someone, soul