supercool

American  

[soo-per-kool] / ˌsu pərˈkul /

verb (used with object)

1. to cool (a liquid) below its freezing point without producing solidification or crystallization; undercool.

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verb (used without object)

1. to become supercooled.

adjective

1. very cool in temperature, especially of the maximum coolness possible: used as a setting on air conditioners.

2. Slang. very cool; very sophisticated, up-to-date, unemotional, etc.

supercool British  

/ ˌsuːpəˈkuːl /

verb

1. chem to cool or be cooled without freezing or crystallization to a temperature below that at which freezing or crystallization should occur. Supercooled liquids are not in equilibrium

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supercool Scientific  

/ so̅o̅′pər-ko̅o̅l′ /

1. 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.

2. Compare superheat

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Etymology

Origin of supercool

First recorded in 1905–10; super- + cool

Example Sentences

See Examples For:

supercool

On the other side of the country, Boris Rubinsky had the idea that higher pressures might help him supercool organs without damage.

From Science Magazine ● Jun. 21, 2023

LNG is not only linked to methane leakage, but takes large amounts of energy to supercool and ship, adding to its carbon footprint.

From Reuters ● Mar. 3, 2023

For all its supercool posturing, casual cruelty and lurid overcompensation, “Bullet Train” was a cozy all along.

From Washington Post ● Aug. 2, 2022

“But he was also an actor who was willing to go to a place where he wasn’t afraid to make a fool of himself. He wasn’t wrapped up in being this supercool, emotionless, good-looking dude.”

From New York Times ● Jul. 1, 2022

And I want to know about his talking devices, the supercool computers that help him talk and do really hard math problems, like finding black holes in space.

From "Out of My Mind" by Sharon M. Draper