off-gassing

noun

off-gas·​sing ˈȯf-ˌga-siŋ How to pronounce off-gassing (audio)
: the emission of especially noxious gases (as from a building material)

Examples of off-gassing in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Chief Jaime Moore said that an ammonia line inside the facility was compromised, which caused off-gassing. — Sydney Barragan, Daily News, 18 June 2026 Water vapor would then have flooded the Venusian atmosphere, potentially causing intensive global warming; this warming might have been exacerbated further by volcanoes off-gassing carbon dioxide. — Quanta Magazine, 15 Sep. 2025 When Alpert was researching mattresses made with organic materials (and ideally, no off-gassing) for her 12-year-old son, she was immediately impressed by the accolades for Awara’s Classic Hybrid Mattress. — Yelena Moroz Alpert, Architectural Digest, 24 June 2026 See All Example Sentences for off-gassing

Word History

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of off-gassing was in 1965

Rhymes for off-gassing

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Browse Nearby Words

off-gas
off-gassing
off-glide
See all Nearby Words

Cite this Entry

“Off-gassing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/off-gassing. Accessed 7 Jul. 2026.

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