Exceedance

//ɛkˈsiːdn̩s// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The extent to which an action, activity or substance exceeds a limit set by recommended practice, legislation, etc. countable, uncountable

    "A region is considered "nonattainment" of an air quality standard (NAAQS) if its estimated exceedance rate of the NAAQS is more than once per year over three years. Exceedances are counted in terms of days."

  2. 2
    (geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time wordnet

Example

More examples

"A region is considered "nonattainment" of an air quality standard (NAAQS) if its estimated exceedance rate of the NAAQS is more than once per year over three years. Exceedances are counted in terms of days."

Etymology

From exceed + -ance.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.