cold wave

cold wave

n. An onset of unusually cold weather within a 24-hour period.

cold wave

n 1. (Physical Geography) meteorol a sudden spell of low temperatures over a wide area, often following the passage of a cold front 2. (Hairdressing & Grooming) hairdressing a permanent wave made by chemical agents applied at normal temperatures

cold′ wave`

n. 1. a rapid and considerable drop in temperature, usu. affecting a large area. 2. a permanent wave set in the hair by chemical solutions without the aid of heat. [1875–80]

Thesaurus

Noun

1.

cold wave - a wave of unusually cold weather wave - a persistent and widespread unusual weather condition (especially of unusual temperatures); "a heat wave"