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

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Example Sentences

See Examples For:

supercool

To me, that is a supercool scientific puzzle: Why is it that sometimes adolescents do not show this peak in sensitivity to things that are rewarding, whether it’s risk-taking or helping others?

From Washington Post ● Aug. 9, 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

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

In the west, until the mid-90s, Godzilla – or Gojira, as the purists would have it – was the preserve of supercool hipsters fixated on the rubber-suit kitsch of the original films.

From The Guardian ● Feb. 27, 2020

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

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