Backflow: meaning, definitions and examples

🔄
Add to dictionary

backflow

 

[ ˈbækˌfloʊ ]

Noun
Context #1 | Noun

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.
Context #2 | Noun

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

inversion, reflux.

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.