释义 |
superˈcooled, ppl. a. [super- 9 b.] a. Liquid though below the freezing point. b. Apparently solid, but formed from a liquid without a definite change of phase and having (on the atomic scale) the disorder of a liquid.
1898Chem. News 29 July 59/1 (heading) The variation with the temperature of the number of nuclei which are formed in different supercooled liquids. 1937Times 14 Oct. 11/4 Local conditions may cause the moisture in a cloud to become, in the meteorologist's phrase, ‘supercooled’. 1947J. C. Rich Materials & Methods Sculpture xi. 329 Glass is sometimes referred to as a supercooled liquid, because the material has no definite melting point. 1966C. R. Tottle Sci. Engin. Materials iii. 81 Any material possessing the properties of a supercooled liquid, having failed to crystallize and therefore being amorphous in structure, can be called a glass. 1980Jrnl. R. Soc. Arts May 369/2 Silver iodide smoke particles can also provide ‘kernels’ on which ice crystals can grow in supercooled cloud. |