back vent


back vent
(in plumbing) a vent situated on the sewer side of a trap.

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Universalium. 2010.

Look at other dictionaries:

  • back vent — noun : a ventilating pipe attached to a waste pipe on the sewer side of its trap to prevent siphonage • back venting noun * * * (in plumbing) a vent situated on the sewer side of a trap …   Useful english dictionary

  • back vent — /ˈbæk vɛnt/ (say bak vent) noun Plumbing a pipe with access to the open air, connected to a waste pipe to prevent siphonic action from occurring …   Australian English dictionary

  • back venting — noun see back vent …   Useful english dictionary

  • vent — vent1 [vent] n. [ME venten < OFr venter, to blow (or aphetic < OFr esventer, to expose to the air, let out < es , out + venter) < VL * ventare < L ventus,WIND2] 1. Rare the action of escaping or passing out, or the means or… …   English World dictionary

  • Vent — may refer to:* Volcano, an opening in the Earth s surface which allows molten rock, ash and gases to escape ** Deep sea vent, or black smoker , a type of hydrothermal vent found on the ocean floor *Plumbing drainage venting, pipes leading from… …   Wikipedia

  • Back-arc basin — Back arc basins (or retro arc basins) are geologic features, submarine basins associated with island arcs and subduction zones.They are found at some convergent plate boundaries, presently concentrated in the Western Pacific ocean. Most of them… …   Wikipedia

  • vent — vent1 ventless, adj. /vent/, n. 1. an opening, as in a wall, serving as an outlet for air, smoke, fumes, or the like. 2. an opening at the earth s surface from which volcanic material, as lava, steam, or gas, is emitted. 3. Zool. the anal or… …   Universalium

  • vent — vent1 [vent] n [Sense: 1 2, 4; Date: 1500 1600; Origin: VENT2] [Sense: 3; Date: 1400 1500; : Old French; Origin: fente long narrow hole , from fendre to split , from Latin findere; FISSION] 1.) …   Dictionary of contemporary English

  • vent — I. /vɛnt / (say vent) noun 1. an opening or aperture serving as an outlet for air, smoke, fumes, etc. 2. the small opening at the breech of a cannon or old fashioned gun by which fire is communicated to the charge. 3. Zoology the anal or… …   Australian English dictionary

  • vent — 1. n. & v. n. 1 (also vent hole) a hole or opening allowing motion of air etc. out of or into a confined space. 2 an outlet; free passage or play (gave vent to their indignation). 3 the anus esp. of a lower animal, serving for both excretion and… …   Useful english dictionary


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