The phrase "a cool one" is correct and usable in written English.
It can be used to refer to something that is considered impressive, interesting, or enjoyable, often in a casual or informal context.
Example: "I just got a new skateboard, and it's definitely a cool one."
Alternatives: "an awesome one" or "a great one."
Along the way, he said, he traded his "dumpy" apartment in Boston for "a cool one on the 26th floor," acquired a 63-inch television with a $12,000 sound system and garbed himself in $20,000 of Armani clothing.
The effect of toggling between a plain black surface and a fully illuminated keyboard is a cool one, sure, but actually typing on the thing is a lot like using a tablet screen – you're essentially banging your fingers against a flat surface with no give.
We're going to find a cool one.
Rate of fermentation will be faster in a warm environment, slower in a cool one.
The McLuhan program included a hot medium, a film about McLuhan by Kevin McMahon titled "McLuhan's Wake," followed up with a cool one, a panel discussion.
While this year's summer was a cool one compared with recent years, Scambos said it was still warm when compared to data from the past three decades.
A £2bn deficit is forecast to rise to an annual £30bn deficit within seven years – a cool one-third of the current budget.
Chloé's new designer, Hannah MacGibbon, made a fair start, offering sundresses with ruffled crisscrossed backs, a sharp-shouldered jumpsuit in khaki cotton, and a cool, one-shoulder dress in nutmeg cotton with side lacing.
If you are a developer, and have an idea for a cool one-day hack project, this will definitely be a fun event for you.
It's almost hard to find a cool one-piece anywhere!
"It has to be a warm dark color, rather than a cooler one, especially in a dining room," said Ms. White, who is convinced that warm colors make people more sociable.
