verb (used with object)
to cool (a liquid) below its freezing point without producing solidification or crystallization; undercool.
verb (used without object)
to become supercooled.
very cool in temperature, especially of the maximum coolness possible: used as a setting on air conditioners.
Slang. very cool; very sophisticated, up-to-date, unemotional, etc.
(chem) to cool or be cooled without freezing or crystallization to a temperature below that at which freezing or crystallization should occur. Supercooled liquids are not in equilibrium
To cool a substance below a phase-transition temperature without the transition occurring. For example, water can be cooled well below the freezing point without freezing (as often happens in the upper atmosphere); the introduction of an impurity or surface can then trigger freezing. Supercooling is an example of hysteresis. Compare superheat.
noun 1. a dairy cow that produces a very high milk yield as a result of selective breeding or genetic modification
noun, Informal. 1. a high-ranking bureaucrat, especially one of cabinet rank. noun a powerful beaurocrat
[soo-per-krit-i-kuh l] /ˌsu pərˈkrɪt ɪ kəl/ adjective 1. extremely critical. 2. Physics. pertaining to a mass of radioactive material in which the rate of a chain reaction increases with time. supercritical /ˌsuːpəˈkrɪtɪkəl/ adjective 1. (physics) (of a fluid) brought to a temperature and pressure higher than its critical temperature and pressure, so that its physical […]
noun 1. the quality in a person or society that arises from a concern for what is regarded as excellent in arts, letters, manners, scholarly pursuits, etc. 2. that which is excellent in the arts, manners, etc. 3. a particular form or stage of civilization, as that of a certain nation or period: Greek culture. […]