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A handheld machine for drilling rock and breaking up pavement, operated by compressed air.

jack′ham′mer v.


(Tools) a hand-held hammer drill, driven by compressed air, for drilling rocks, etc


(ˈdʒækˌhæm ər)

a portable drill operated by compressed air and used to drill rock, break up pavement, etc.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.jackhammer - a hammer driven by compressed airjackhammer - a hammer driven by compressed air  
power hammer, hammer - a power tool for drilling rocks


[ˈdʒækˌhæməʳ] N (esp US) → taladradora f, martillo m neumático
References in periodicals archive ?
As a further symbol of the city's commitment to revitalize the area, Hahn and Grant jackhammered the deteriorated sidewalk star of actress Penny Singleton, 96, who played Blondie - Dagwood Bumstead's wife - on television, radio and film in the 1930s and '40s.
The bad concrete will also have to be jackhammered away and replaced with even stronger concrete, said Seinuk, referring to what is known in the industry as grout.
What other special toys or favorite foods do you miss that have been jackhammered by the rules and regulations and technological ``improvements'' of the 21st century?