supercool

 
Pronunciation: /suːpəˈkuːl, sjuː-/

verb

[with object] Chemistry
  • cool (a liquid) below its freezing point without solidification or crystallization: the melt usually has to be supercooled by about 5 to 20 kelvins (as noun supercooling) the solvent is cooled slowly with continuous stirring to minimize supercooling
  • [no object] Biology (of a living organism) survive body temperatures below the freezing point of water: the ability of these insects to supercool can be seriously affected by bacteria

adjective

informal
  • extremely attractive, impressive, or calm: the supercool tracks in this collection