✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

cavitation

noun

cav·​i·​ta·​tion ˌka-və-ˈtā-shən How to pronounce cavitation (audio)
: the process of cavitating: such as
a
: the formation of partial vacuums in a liquid by a swiftly moving solid body (such as a propeller) or by high-intensity sound waves
also : the pitting and wearing away of solid surfaces (as of metal or concrete) as a result of the collapse of these vacuums in surrounding liquid
b
: the formation of cavities in an organ or tissue especially in disease

Examples of cavitation in a Sentence

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 actress that the video was taken after her third attempt at addressing a root cavitation. Wesley Stenzel, Entertainment Weekly, 26 Nov. 2025 At the core of the new technique is cavitation, or the sudden collapse of bubbles in liquid. Christopher McFadden, Interesting Engineering, 7 Sep. 2025 Hydrofoils, according to the team, aren't suitable for this gig, since the low-pressure zone caused by these underwater wings causes water to boil into vapor at high speeds in a process called cavitation, causing dangerous levels of drag and instability at speeds over about 60 mph (~100 km/h). New Atlas, 4 June 2025 The idea was seen as an impossibility, Xu said, because scientists hadn’t yet figured out a way to precisely target a treatment area to control the process of cavitation. Kristen Jordan Shamus, USA Today, 19 May 2025 See All Example Sentences for cavitation

Word History

Etymology

cavity + -ation

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of cavitation was in 1895

Browse Nearby Words

Cite this Entry

“Cavitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavitation. Accessed 2 Dec. 2025.

Kids Definition

cavitation

noun
cav·​i·​ta·​tion ˌkav-ə-ˈtā-shən How to pronounce cavitation (audio)
: the formation of partial vacuums in a liquid by a swiftly moving solid body (as a propeller) or by high-frequency sound waves

Medical Definition

cavitation

noun
cav·​i·​ta·​tion ˌkav-ə-ˈtā-shən How to pronounce cavitation (audio)
1
: the process of cavitating
especially : the formation of cavities in an organ or tissue especially in disease
2
: a cavity formed by cavitation
cavitate verb
cavitated; cavitating

More from Merriam-Webster on cavitation

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!