Tra từ electrical relay - Từ điển Oxford Learners Wordfinder Dictionary

Từ điển Oxford Learners Wordfinder Dictionary

electrical relay

noun

electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
• Syn:
relay
• Derivationally related forms:
relay (for: relay)
• Hypernyms:
electrical device
• Part Holonyms:
circuit, electrical circuit, electric circuit
• Part Meronyms:
electromagnet