" As a verb, it means to get rid of unwanted gas or liquid by some prearranged means. As a noun, a vent is the device which accomplishes this action. In some cases, it's the buildup of pressure which needs to be relieved (vented), rather than the specific substance.
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mitsuwao23"Vapour outlet for venting out corrosive liquids or fumes."As a verb, it means to get rid of unwanted gas or liquid by some prearranged means.