Meteorology. a rapid and considerable drop in temperature, usually affecting a large area.
a permanent wave in the hair set by special chemical solutions without the aid of any heating device.
Origin of cold wave
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cold wave
Cold-wave warnings are heeded by many persons besides those who are directly interested in fruits and farm products.Practical Exercises in Elementary Meteorology|Robert DeCourcy Ward
British Dictionary definitions for cold wave
meteorol a sudden spell of low temperatures over a wide area, often following the passage of a cold front
hairdressing a permanent wave made by chemical agents applied at normal temperatures
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