Backflow: meaning, definitions and examples
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backflow
[ˈbækˌfloʊ ]
Definitions
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
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.
Interesting Facts
Etymology
- The word 'backflow' combines 'back,' meaning to reverse, and 'flow,' referring to the movement of liquids.
- It first appeared in technical contexts during the early 20th century, particularly in plumbing and water systems.
- The concept of backflow is crucial in understanding systems that manage water supply and sanitation.
Science
- Backflow can occur in a plumbing system due to changes in pressure, contamination in water lines can result from this.
- There are devices called backflow preventers that stop unwanted water from entering clean water systems.
- The phenomenon of backflow can also be observed in natural waterways, where high tide can push water back into rivers.
Health & Safety
- Backflow can pose health risks as it may allow harmful contaminants to mix with drinking water.
- Water quality standards require regular testing for backflow to protect public health.
- There have been numerous incidents in history where backflow led to widespread illness due to contaminated water systems.
Engineering
- Backflow prevention is an essential aspect of civil engineering, ensuring safe drinking water supplies.
- Engineering systems are designed to handle potential backflow conditions during the planning phase to mitigate risks.
- Innovations in design, like the use of air gaps in plumbing, help prevent the occurrence of backflow.
Pop Culture
- In movies, scenes showing cities flooding often depict the dramatic effects of backflow in urban drainage systems.
- The term 'backflow' has been used metaphorically in literature to discuss themes of regression or falling back in life.
- In some video games, water mechanics featuring backflow contribute to puzzle elements players must overcome.