1. to cool a liquid below its normal freezing point without it becoming solid
Usage: physics; chemistry

1. extremely cool or impressive
Usage: informal; slang

Examples

• Scientists can supercool water to temperatures below 32°F without it freezing.
• The laboratory supercooled the solution for the experiment.
• That new skateboard trick was supercool!
• She thinks her older brother is supercool.
• The supercooled liquid remained in its liquid state despite the low temperature.
• His supercool attitude made him popular at school.
• The physics teacher demonstrated how to supercool distilled water.