Example: Energy backup ensures supply during outages or disruptions
Definition
"The energy backup" refers to a system or source of stored energy that provides power during outages or disruptions, ensuring a continuous supply when the primary energy source fails or is unavailable.
The phrase "the energy backup" combines 'energy,' derived from the Greek 'energeia' meaning activity or operation, and 'backup,' which originated in the mid-20th century American English as a term for a reserve or substitute. Together, they describe a reserve energy source that activates when needed.
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"The energy backup" appears in the Vocaplus list "English - Energy - (A1-C2) - set 1", containing 110 commonly used words.
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