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
supercool in other Oxford dictionaries
Definition of supercool in the US English dictionary