jackhammer
noun
jack·ham·mer
ˈjak-ˌha-mər 
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
jackhammer
verb
Examples of jackhammer in a Sentence
Recent Examples on the Web
Ayala-Orozco and his colleagues went on to inject mice with millions of melanoma cells and, a week later, billions of molecular jackhammers.
—
Dhruv Khullar, The New Yorker, 13 June 2024
Agents reportedly were using a cadaver dog to search the subdivision and a Courier Journal photographer saw investigators using a jackhammer on the driveway of a home.
—Rachel Smith, The Courier-Journal, 24 Apr. 2024
In the streams of south-central Myanmar lives a creature that could be easily mistaken for a sentient grain of rice—a grain of rice, that is, with a lot to say and a voice like a jackhammer.
—Elizabeth Anne Brown, Scientific American, 16 Apr. 2024
Farther down the fence into a field, a jackhammer rattles as crews worked in the sweltering midday sun to dig up slanted and splintered and utility poles.
—James Hartley, Fort Worth Star-Telegram, 26 May 2024
See all Example Sentences for jackhammer 
Dhruv Khullar, The New Yorker, 13 June 2024
Agents reportedly were using a cadaver dog to search the subdivision and a Courier Journal photographer saw investigators using a jackhammer on the driveway of a home.
—Rachel Smith, The Courier-Journal, 24 Apr. 2024
In the streams of south-central Myanmar lives a creature that could be easily mistaken for a sentient grain of rice—a grain of rice, that is, with a lot to say and a voice like a jackhammer.
—Elizabeth Anne Brown, Scientific American, 16 Apr. 2024
Farther down the fence into a field, a jackhammer rattles as crews worked in the sweltering midday sun to dig up slanted and splintered and utility poles.
—James Hartley, Fort Worth Star-Telegram, 26 May 2024
See all Example Sentences for jackhammer
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Cite this Entry
“Jackhammer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jackhammer. Accessed 30 Jun. 2024.
Copy CitationKids Definition
jackhammer
noun
jack·ham·mer
ˈjak-ˌham-ər
: a tool driven by compressed air that is used for drilling or breaking up hard substances (as rock or pavement) by a repeated pounding action
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