jackhammer
/'dɔæk,hæmə/
Definition
- Noun:
- A powerful pneumatic tool: A jackhammer is a large, heavy tool, typically powered by compressed air, that delivers repeated, forceful blows. It is used to break up hard materials like concrete, rock, or pavement.
Usage
- A jackhammer is operated by a single person who holds it against the surface to be broken. It is a common tool in construction, demolition, and roadwork.
- It is characterized by its loud noise and strong vibrations.
Examples
- Noun:
- The construction crew used a jackhammer to break up the old sidewalk.
- The constant noise from the jackhammer made it difficult to concentrate.
Advanced Usage
- "to jackhammer" (verb, informal): To use a jackhammer; to break something apart with forceful, repeated action, often used metaphorically.
- The workers will jackhammer the foundation tomorrow.
- (Figurative) The drummer jackhammered the beat with incredible intensity.
Variants and Related Words
- Pneumatic drill: Another common term for a jackhammer, especially in British English.
- Demolition hammer: A similar, often electric or hydraulic, tool used for breaking.
- Hammer drill: A related power tool that combines a hammering action with rotation for drilling into masonry.
Synonyms
- Pneumatic hammer
- Breaker (as in "concrete breaker")
Related Phrases
- Jackhammer operator: A person whose job is to operate a jackhammer.
- The jackhammer operator wore protective earplugs and goggles.
- Jackhammer noise: The characteristic loud, percussive sound produced by the tool.
- The jackhammer noise echoed through the city streets.
Noun
-
a hammer driven by compressed air
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