2. Anatomy. a muscle that compresses some part of the body
3. Surgery. an instrument for compressing a part of the body.
4. a pump or other machine for reducing volume and increasing pressure of gases in order to condense the gases, drive pneumatically powered machinery, etc.
5. Electronics. a transducer that produces an output with a range of voltages whose ratio is smaller than that of the range of the input signal. Compare expander (def. 2).
com·pres·sor
n. One that compresses, especially:
a. Mechanics A pump or other machine that increases the pressure of a gas.
This answers Question-3
Once you know the meaning of compressor find out the applications (q-2)
How does it wotk ? google/ textbook (Q-1)
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