with obj.
1- Chemistry cool (a liquid) below its freezing point without solidification or crystallization【化】使过冷, 使（液体）冷却到凝固点以下而不发生相变。
1.1
- no obj. Biology (of a living organism) survive body temperatures below the freezing point of water【生】（活的生物体）体温降到水的冰点以下仍能存活。
- informal extremely attractive, impressive, or calm〈非正式〉超酷的, 极有魅力的; 给人印象深刻的; 非常冷静的：
the supercool tracks in this collection.
这张唱片专辑中给人深刻印象的几首歌。