availability zone

noun

A subset of computing infrastructure that shares no service-critical components (including power, cooling and access) with any other availability zone.

“Availability zones are typically geographically separated from one another, to prevent local disasters from affecting more than one of them.”

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Meanings

nounavailability zone (plural availability zones)

plural availability zones

  1. cloud computingA subset of computing infrastructure that shares no service-critical components (including power, cooling and access) with any other availability zone.

    Availability zones are typically geographically separated from one another, to prevent local disasters from affecting more than one of them.

Cite this entry
APA

availability zone. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/availability%20zone

MLA

“availability zone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/availability%20zone. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “availability zone,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/availability%20zone.

Source: availability zone on Wiktionary, CC BY-SA 4.0.