Backflow: meaning, definitions and examples
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backflow
[ ˈbækˌfloʊ ]
plumbing term
Backflow refers to the unwanted reversal of the flow of water or other substances in a plumbing system. This phenomenon can cause contamination of potable water supplies and is often addressed with backflow prevention devices.
Synonyms
backward movement, reverse flow.
Examples of usage
- The city installed backflow preventers to protect the drinking water.
- A backflow incident contaminated the reservoir.
- Regular maintenance of backflow systems is essential.
- Employees were trained to identify potential backflow hazards.
process description
In a broader sense, backflow may also describe any situation where the normal direction of flow is reversed in a process or system.
Synonyms
Examples of usage
- The backflow of the river caused flooding.
- They studied the backflow in the heating system.
- The backflow of air during the cyclone was unusual.
Etymology
The term 'backflow' is derived from the combination of the prefix 'back-' indicating reversal or backward motion, and 'flow' which refers to the movement of liquid or gas. Its usage in plumbing and engineering contexts can be traced back to the early 20th century when increased urbanization and industrialization led to more complex water systems. Backflow prevention became an essential part of public health policy to ensure that drinking water remained uncontaminated. The growing awareness of the risks associated with backflow and the need for prevention measures has led to the development of various technologies, including specialized valves and assemblies designed to maintain the proper flow direction in water systems.