exceedance

American  

[ik-seed-ns] / ɪkˈsid ns /

noun

1. the act or fact of exceeding something, especially a limit or standard.

   penalties for exceedance of air quality standards.

2. the amount by which something exceeds a limit or standard.

   a 10 percent exceedance.

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Etymology

Origin of exceedance

First recorded in 1950–55; exceed ( def. ) + -ance ( def. )

Example Sentences

"If the warming rate of the past 10 years continues, it would lead to a long-term exceedance of the 1.5°C limit of the Paris Agreement before 2030," says Stefan Rahmstorf.

From Science Daily • Mar. 9, 2026

These included "storage outside the licence boundary, control of pests, exceedance of the three-month storage limit and control of odour" in 2023.

From BBC • Jul. 17, 2025

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.

From Scientific American • Sep. 12, 2022

The highest exceedance of total suspended solids — a measure of floating particles — reached upward of 1,000 percent over the limit, Wirtis said.

From Seattle Times • Dec. 24, 2021