rectifier

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. electrical device that transforms alternating into direct current (Freq. 2)
• Hypernyms:
electrical device
• Hyponyms:
detector, demodulator, full-wave rectifier
2. a person who corrects or sets right
- a rectifier of prejudices
• Derivationally related forms:
rectify
• Hypernyms:
person, individual, someone, somebody, mortal, soul