detonation

noun

det·​o·​na·​tion ˌde-tᵊn-ˈā-shən How to pronounce detonation (audio)
ˌde-tə-ˈnā-
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.
Trump on Friday refused to clarify whether the United States plans to resume underground nuclear detonation tests, following a social media post that appeared to suggest such a move for the first time in three decades. Gabe Whisnant, MSNBC Newsweek, 31 Oct. 2025 The detonation is contained by the rock, reducing the risk of atmospheric fallout. Geoff Brumfiel, NPR, 30 Oct. 2025 Israel did not confirm its involvement in the immediate aftermath of the detonations, which came after months of Hezbollah rocket attacks on northern Israel, which had ratcheted up in the wake of the October 7, 2023 attacks on Southern Israel. Andreas Wiseman, Deadline, 28 Oct. 2025 Debris would likely fall from the sky a short time after detonation. Chris Young, Interesting Engineering, 28 Oct. 2025 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

Browse Nearby Words

Cite this Entry

“Detonation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detonation. Accessed 4 Nov. 2025.

More from Merriam-Webster on detonation

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!