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Featured Word B1

jackhammer (noun)

A jackhammer is a powerful, hand-held mechanical tool that uses compressed air or electricity to break through hard surfaces like concrete, pavement, or rock. It functions by rapidly driving a chisel or metal point into the material with high-impact force.

💡 Memory Tip

Think of a guy named 'Jack' using a giant 'Hammer' to break the road. Jack + Hammer = Jackhammer.

🏛️ Origin

⚠️ Common Mistakes

Using 'jackhammer' for a small drill. → Using 'hammer drill' or 'drill'.

Writing 'jack hammer' as two words. → Writing 'jackhammer'.