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jackhammer



jack·ham·mer [ ˈjak-ˌha-mər]



jackhammer   
noun
[ˈjak-ˌha-mər]

Definition of jackhammer

1 : a pneumatically operated percussive rock-drilling tool usually held in the hands
2 : a device in which a tool (such as a chisel for breaking up pavements) is driven percussively by compressed air


Other Words from jackhammer
jackhammer verb



Recent Examples on the Web


//Cranes dot the skyline, roads have become muddy potholed lanes and jackhammers resonate late into the night.
Julie Zaugg, CNN, "How Cambodia's backpacker haven became a Chinese casino mecca," 4 Oct. 2019

//The 40-decibel drop is about the difference between the noise from a jackhammer and a hairdryer.
Wired, "A Whistle-Blower Testimony, Google’s Quantum ‘Victory,’ and More News," 26 Sep. 2019

//Forty years on, Trump is taking his jackhammers to the checks and balances in the U.S. Constitution, and the very notion that a President can be held to account.
John Cassidy, The New Yorker, "Trump’s Ukraine Defense Is the Same One He’s Used for Years: I Did It. So What?," 23 Sep. 2019

//Several months ago, residents of Village in the Hills in the far North Central Side had their peaceful nights shattered by the pounding of jackhammers and constant beeping of heavy earth-moving machinery working on a new apartment complex.
Sara Cline, ExpressNews.com, "San Antonio Councilman Courage proposes limiting construction hours to ease residents’ concerns," 18 Sep. 2019

//The cement trucks will roll up and spin their bellies, the jackhammers will rattle, and after a while the postcards of the new skyline will be available for purchase.
Polina Marinova, Fortune, "Saudi Aramco’s Long-Awaited IPO Might Actually Happen: Term Sheet," 11 Sep. 2019

//Monday is the day when bar and bat mitzvahs are held in Israel, and drumbeats from distant celebrations mixed with the pounding of jackhammers from construction sites nearby.
Dan Baum, Harper's magazine, "Happiness Is a Worn Gun," 22 Aug. 2019

//In most cases, the bones are slowly freed from the rock using dental tools and air-scribes—a type of tiny jackhammer.
Hans-dieter Sues, Smithsonian, "How to Discover Dinosaurs," 3 Sep. 2019

//Monday is the day when bar and bat mitzvahs are held in Israel, and drumbeats from distant celebrations mixed with the pounding of jackhammers from construction sites nearby.
Dan Baum, Harper's magazine, "Happiness Is a Worn Gun," 22 Aug. 2019


First Known Use of jackhammer

1912, in the meaning defined at sense 1



Dictionary Entries near jackhammer


More Definitions forjackhammer

jackhammer

noun

English Language Learners Definition of jackhammer

chiefly US : a heavy tool used to break hard substances (such as concrete) into pieces by a repeated pounding action