# heat wave

> English word · Noun · IPA /ˈhit weɪv/

## Definitions
1. A period of exceptionally hot weather.
2. A period of exceptionally hot weather.
3. A period of exceptionally hot weather.
4. An electromagnetic wave in the infrared spectrum.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/heat-wave
