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Related to backflow: backflow valve


A flow of fluid in the opposite direction of its regular flow.


a reverse flow, the movement (of a liquid) in the opposite direction to its previous, natural or intended direction



a flow of a liquid opposite to the usual or desired direction.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.backflow - a flow that returns toward its source
flow, flowing - the motion characteristic of fluids (liquids or gases)
regurgitation - backflow of blood through a defective heart valve
References in periodicals archive ?
The following effects are possible with regard to the backflow level and must therefore be taken into account: - discharge of the backflow from the backflow level (werkstrae), - outflow of backflow from lower openings in the open space.
To avoid and prevent backflow hazards, Zurn offers numerous types of backflow preventers that meet industry standards and provide the right level of protection depending on system conditions.
Such results demonstrate that backflow is always there but is a rather small effect, which may explain why it has not been measured yet.
Stoma Dental's new DOVE[R] Backflow Prevention SE Valve is a one-way valve that virtually eliminates backflow cross contamination risk between dental patients.
M2 PHARMA-February 25, 2016-Stoma Dental Launches Backflow Prevention Saliva Ejector Valve
The new DOVE[TM] HVE and SE valves respond to concerns shared by dental healthcare professionals and patients alike, in that the valves reduce the possibility of reverse flow, or backflow, which can occur when there is greater negative pressure in the patients mouth than in the evacuator tubing.
Drain and winterize underground irrigation systems, including yard sprinklers and backflow preventers; wrap the backflow preventer with insulating material.
When bed bags used at night are switched to a more conspicuous leg bag for daytime use, the system is "broken" which can cause infection from backflow of urine and bacteria into the bladder.
Wenatchee; plumbing permit for fire sprinkler backflow Permit issued Jan.
Please note that this kind of shrinkage is dehydration, but not a physiological disorder (sour shrivel); the berries shrink because they lose water due to xylem backflow and transpiration.
The deal, which did not include the backflow product line of Flomatic, was settled in cash.
We looked also into the question why there is a backflow of saltwater from Manila Bay during high tides when the water level at the Laguna de Bay drops to lower than 10.