ex·​ceed·​ance | \ ik-ˈsē-dᵊn(t)s How to pronounce exceedance (audio) \
variants: or less commonly exceedence

Definition of exceedance

: an act or instance of exceeding especially a limit or amount

Examples of exceedance in a Sentence

Recent Examples on the Web Majority of exceedances were more than 13 times the limit. Antony Sguazzin, Bloomberg.com, "Eskom Faces Closure Threat at Biggest Working Power Plant," 17 July 2019 Urban areas, already rich in nitrogen oxide from cars and industry running on fossil fuels, can jump way past their air-quality exceedance when wildfire emissions blow into town on a hot summer day. Kyle Dickman, Scientific American, "The Hidden Toll of Wildfires," 1 Mar. 2020 Last month, Wellington Village sent notices to all of its customers alerting them to a 1 part per billion exceedance of TTHMs during the previous testing period. James F. Mccarty, cleveland.com, "Contaminants taint some NE Ohio water, but EPA says safe to drink," 20 Oct. 2017 However the EPA says other metal-level exceedances may reflect the longstanding mine drainage from the region’s historic sites as well as natural levels of metals in southwest Colorado’s soils and rocks. Jesse Paul, The Denver Post, "Final EPA analysis on Gold King Mine spill says there were no long-term water quality effects," 6 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exceedance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of exceedance

circa 1956, in the meaning defined above

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Time Traveler for exceedance

Time Traveler

The first known use of exceedance was circa 1956

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Statistics for exceedance

Cite this Entry

“Exceedance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exceedance. Accessed 25 Feb. 2021.

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