verb
-
To cool a substance below a phase-transition temperature without the transition occurring. For example, water can be cooled well below the freezing point without freezing (as often happens in the upper atmosphere); the introduction of an impurity or surface can then trigger freezing. Supercooling is an example of hysteresis.
-
Compare superheat
Etymology
Origin of supercool
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For all its supercool posturing, casual cruelty and lurid overcompensation, “Bullet Train” was a cozy all along.
From Washington Post ● Aug. 2, 2022
The United States, which produces 96.7 bcfd of gas, has the capacity to supercool about 12.7 bcfd into liquid for transportation by tanker.
From Reuters ● Mar. 25, 2022
“The Art of Theater” and “With My Own Hands,” both by the French playwright, director and choreographer Pascal Rambert, survived the Under the Radar cancellation at this supercool avant-garde hothouse in Columbia County.
From New York Times ● Jan. 17, 2022
But in the meantime, Soltis adds, “it’s supercool when we get something like this out of the fossil record.”
From Science Magazine ● May 26, 2021
He was one of those guys who was supercool, crazy fly, and girls had a thing for his shaved head.
From "The Boy in the Black Suit" by Jason Reynolds
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.