1. a machine that compresses air or other gases
2. a device that reduces the dynamic range of audio signals
Usage: audio engineering

Examples

• The mechanic used an air compressor to inflate the tires.
• We need a compressor to power the pneumatic tools.
• The refrigerator’s compressor stopped working.
• The recording studio has a high-quality audio compressor.
• He connected the compressor to the spray gun.
• The compressor kicked on when the air pressure dropped.