Heat-wave definition

A period of unusually hot weather.
noun
2
0
A prolonged period of unusually hot weather, typically resulting from a slowly moving air mass of relatively high temperature.
noun
1
0
(idiomatic) A period of exceptionally hot weather.
noun
1
0
(US, weather broadcasting) Three consecutive days with daytime high temperature of 90 degrees Fahrenheit or higher.
noun
1
0
Advertisement

Other Word Forms

Noun

Singular:
heat-wave
Plural:
heat-waves