backup relay

noun

: a secondary relay to protect a power system against faults in the event of failure of the primary relay to function as desired

Word History

First Known Use

1950, in the meaning defined above

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Rhymes for backup relay

• andromache
• bioassay
• cabriolet
• cercariae
• communique
• companionway
• compositae
• decussate
• examinee
• fabaceae
• glyphosate
• microarray