Meaning & use
wetted area
Last updated
Meanings
nouncountabletechnical
The total surface area of an object that is in contact with a liquid or gas flowing over it.
Grammar: Usually singular with 'the': 'the wetted area'. It can take a plural when comparing several objects.
Patterns
- the wetted area of something
- increase the wetted area
- total wetted area
Engineers increased the wetted area of the pipe to improve cooling.
The drag depends on the wetted area of the hull below the waterline.
A larger wetted area means more friction between the fluid and the surface.
nouncountabletechnical
The part of a surface that liquid has touched or spread over, for example after rain or spraying.
Grammar: Often used with 'the' and a following phrase: 'the wetted area of the wall'.
Patterns
- the wetted area of a surface
- measure the wetted area
The wetted area of the floor showed where the pipe had leaked.
Spray the panel and then photograph the wetted area.
Word forms
| plural | wetted areas |
|---|
Common combinations
- total wetted area
- The total wetted area of the heat exchanger was doubled.
- wetted area of the hull
- Paint protects the wetted area of the hull from corrosion.
- reduce the wetted area
- A narrower design reduces the wetted area and lowers drag.
- wetted surface area
- The wetted surface area controls how fast heat escapes.
Synonyms and how they differ
- contact area
- Contact area is broader: it can mean any touching surfaces, while wetted area specifically involves a liquid or flowing fluid.
- surface area
- Surface area is the whole outer surface; wetted area is only the part in contact with the fluid.
Word family
- wet verb
- to make something wet with liquid
- wetting noun
- the act or process of making a surface wet
- wettability noun
- how easily a liquid spreads over a surface
Commonly confused: wetted area or watered area?
wetted area vs watered area
A watered area is land that has been given water, as in a garden; a wetted area is a surface in contact with fluid, used in engineering.
Practice
In engineering, what does 'wetted area' most precisely mean?
Choose one answer.
Wetted area is a technical measure of the surface in contact with a liquid or gas, which affects drag and heat transfer. Option 3 is too loose and everyday for the technical sense, and option 2 describes a different situation.
Make it your own
Write a sentence using “wetted area”, then check it and compare it with the examples above.