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Discover LudwigThe phrase "a cool device" is correct and usable in written English.
It can be used to describe a gadget or technology that is impressive, interesting, or appealing.
Example: "I just bought a new smartphone, and it's definitely a cool device with all its advanced features."
Alternatives: "an impressive gadget" or "a neat tool".
Exact(23)
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.
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.
"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.
The Edge is clearly a cool device.
Similar(37)
If the reactor is equipped with a cooling device, the temperature rise at a cooling breakdown must be predictable.
A cooling device is used to freeze the water into ice for each layer.
It stood behind a metal fence where people keep their garbage, and its years as a cooling device seemed far behind it.
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.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com