valve Meaning and Definition
در
dur
دریچہ
dareecha
رستہ
rasta
سوراخ کا ڈھکن
sorakh ka dhakkan
1. n. control consisting of a mechanical device for controlling the flow of a fluid
2. n. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
3. n. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways.
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