单词 | supercooling |
释义 | supercoolingn. 1. Additional or extra cooling; (also) excessive cooling. Frequently attributive. ΚΠ 1875 X. A. Willard Willard's Pract. Butter Bk. 81 By closing a valve on the end of the direct, warm-weather supply duct, and opening that on the end of the super-cooling duct.., all the air admitted must pass through the super-cooled branch duct. 1914 National Provisioner 16 May 43/2 Any butcher can understand at a glance how practical and important this super-cooling system seems to be. 2000 Vanity Fair (N.Y.) Jan. 136/3 They handed over a thorough autopsy report (official conclusion: ‘supercooling, cardio-pulmonary failure’) and photos of the death scene. 2002 Which? Apr. 43/2 This tall Whirlpool ARZ 897-1/H with a big fridge has plenty of features, including..a super-cooling switch and salad crisper. 2. Physics. The cooling of a liquid to below its freezing point without solidification occurring; (more widely) the cooling of any substance to below the temperature of a phase transition without the change of phase occurring; reduction in the temperature of a phase transition. ΘΚΠ the world > matter > properties of materials > temperature > coldness > [noun] > frozen condition > of a liquid without solidifying superfusion1657 superfusion1846 surfusion1850 supercooling1891 the world > matter > physics > electromagnetic radiation > heat > low temperature physics > [noun] > cooling without solidification superfusion1657 superfusion1846 supercooling1891 undercooling1936 1891 G. Kamensky & A. J. Greenaway tr. D. I. Mendeléeff Princ. Chem. I. i. 96 All the data concerning supersaturated solutions of sodium sulphate could be explained exclusively in the sense of a super-cooling effect. 1905 Biol. Bull. 8 258 Freezing is induced by innoculation with a tiny crystal of ice as soon as supercooling of about three tenths of a degree has taken place. 1922 R. Glazebrook Dict. Appl. Physics I. 947/2 The supercooling of a vapour without condensation is analogous to the supercooling of a liquid without crystallization. 1975 Rev. Mod. Physics 47 463/2 This would explain..experiments [on 3He] at melting pressure..where no superheating of the B→A transition is observed while supercooling of the A→B transition is common. 2000 Up Here (Yellowknife, N.W. Territories) Feb. 17/1 The trick is to keep cell fluids in a liquid state even as they drop below their normal freezing temperature... Supercooling is the most common frost-proofing tactic among North American tree species. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1875 |
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