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valve
Definition
A valve is a device that controls the flow of fluids. It can be used to stop, start, or regulate the flow of fluids.
Valves are used in many different machines and devices, such as cars, aeroplanes, and water faucets.
How can the word be used?
The valve in the pipe was leaking.".
Different forms of the word
Noun: a device that controls the flow of fluid or gas.
Verb: to regulate the flow of fluid or gas using a valve.
Etymology
The word "valve" comes from the Latin word "valva", which means "door" or "gate".
The first recorded use of the word "valve" in English was in the 14th century.
Question
What do valves do?