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Discover LudwigThe phrase "a cooling device" is correct and usable in written English.
You can use it when referring to any equipment or mechanism designed to lower or maintain a temperature.
Example: "The refrigerator is a cooling device that helps preserve food by keeping it at a low temperature."
Alternatives: "a cooling system" or "a temperature control unit."
Exact(36)
It stood behind a metal fence where people keep their garbage, and its years as a cooling device seemed far behind it.
A cooling device is used to freeze the water into ice for each layer.
So the medical center was using it to run a cooling device that was usually a component of an air-conditioning system.
One reason is that a growing number of doctors offer off-label treatments with Zeltiq, a cooling device that aims to make white fat cells die.
If the reactor is equipped with a cooling device, the temperature rise at a cooling breakdown must be predictable.
In summer, it acts as a cooling device: the roof holds rainwater and, when this evaporates, it cools the air above it.
Similar(24)
There are males who see the Apple iPod as just a cool device.
Although they're described as an optional extra for the LifeBand, the Heart Rate Earphones above are a cool device in their own right.
For example, Sky Dayton's company, Helio, had a cool device and a partnership with powerful Asian operator Docomo, yet their technology could not take off.
"The fun thing about Watchmen was to try and make those things that I love part of the movie, to make those techniques comment rather than just exist on their own as a cool device.
We used a cool device that was attached to the front of a golf cart so that when we drove through the paddocks it measured density, height of grass, and possible weight.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com