[], (Verb)

Definitions:
- To cool (a liquid) to a temperature below its freezing point without its solidifying.

- To cool (a vapour or its liquid condensate) to a temperature substantially below its boiling point at normal pressure, especially (in refrigeration) in order to liquefy it completely.


Phrases:

Origin:
early 20th century. From sub- + cool. Compare earlier subcooled, subcooling