detonation

noun

det·​o·​na·​tion ˌde-tᵊn-ˈā-shən How to pronounce detonation (audio)
ˌde-tə-ˈnā-
Synonyms of detonationnext
1
: the action or process of detonating
2
: rapid combustion in an internal combustion engine that results in knocking

Examples of detonation in a Sentence

there was a series of detonations around the base of the condemned building, causing it to come crashing down in a matter of minutes
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.
The energy imparted would have been equivalent to 6 million tons of TNT, or basically a large nuclear detonation. Keith Cooper, Space.com, 5 Mar. 2026 Given the prospect of nuclear war, humanity’s arsenal could indeed wipe out every living human on Earth from detonations and the ensuing fallout. Big Think, 4 Mar. 2026 The Wall Street Journal reported that the nuclear detonation bet had spiked in popularity after the US and Israel’s deadly strikes in Iran. Frank Landymore, Futurism, 4 Mar. 2026 Eventually, Mazda figured out how to prevent knock (unintended combustion, aka detonation) with gasoline in a higher compression cylinder. New Atlas, 23 Feb. 2026 See All Example Sentences for detonation

Word History

First Known Use

1686, in the meaning defined at sense 1

Time Traveler
The first known use of detonation was in 1686

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Cite this Entry

“Detonation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detonation. Accessed 6 Mar. 2026.

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