air bag

A form of airbag — A protective system in automobiles in which when a crash occurs, a bag containing nitrogen, formed by the explosive decomposition of sodium azide, quickly inflates in front of the driver or passenger, preventing injury to the head. Side air bags, including the back seat passengers, also prevent injury.

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Meanings

nounair bag (plural air bags)

plural air bags

  1. alternativeAlternative spelling of airbag.
Cite this entry
APA

air bag. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/air%20bag

MLA

“air bag.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/air%20bag. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “air bag,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/air%20bag.

Source: air bag on Wiktionary, CC BY-SA 4.0.