English version


From Longman Dictionary of Contemporary English
Related topics: Tools, Construction
jackhammerjack‧ham‧mer /ˈdʒækˌhæmə $ -ər/ noun [countable]  jackhammer.jpg American EnglishTZTBC a large powerful tool used to break hard materials such as the surface of a road syn pneumatic drill British English
Examples from the Corpus
jackhammerMy responsibility button was being hit with the force of a jackhammer.A jackhammer started up somewhere beyond the prison walls.But today, crews wielding jackhammers are frantically repairing the narrow streets.
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