super-cooling（n.） 英 ['su:pərk'u:lɪŋ] 美 ['supərk'ulɪŋ] also supercooling, "a lowering of the temperature of a liquid past the freezing point without solidification occurring," 1898, from super- + cooling (n.), for which see cool (v.). Related: Super-cooled.该词起源时间：1898年
