| 单词 | supercool |
| 释义 | supercool[ soo-per-kool ] / ˌsu pərˈkul / 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. adjectivevery 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. Origin of supercoolFirst recorded in 1905–10; super- + cool Words nearby supercoolsuper-committee, supercomputer, superconductivity, superconductor, supercontinent, supercool, supercow, supercrat, supercritical, supercurrent, superdelegate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for supercoolsupercool / (ˌsuːpəˈkuːl) / verbchem 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 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for supercoolsupercool [ sōō′pər-kōōl′ ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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