Phrase guide

hot spare

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A spare device, component, or other piece of equipment which is kept powered up although not being actively used, allowing it to be immediately brought online as a replacement should a piece of equipment fail while in active use.

Definition source: English Wiktionary via Wiktextract

Examples

  • In addition to the six hard drives making up the primary RAID array, the server has three hot spares ready to automatically take over for any failed drives in the array.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.