Meanings
nounheat index (plural heat indexes or heat indices)
plural heat indexes · plural heat indices
- USclimatologyA figure used by American meteorologists to describe the apparent heat felt by a person as the result of a combination of temperature and humidity.
Origin
Translations
Catalan temperatura de xafogor
- temperatura de xafogorfigure used to describe the apparent heat felt by a person
German Hitzeindex
- Hitzeindexfigure used to describe the apparent heat felt by a person
Korean 열지수
- 열지수 (yeoljisu)figure used to describe the apparent heat felt by a person
Romanian index de căldură
- index de căldurăfigure used to describe the apparent heat felt by a person
Swedish värmeindex, humidex
- värmeindexfigure used to describe the apparent heat felt by a person
- humidexfigure used to describe the apparent heat felt by a person
Turkish ısı indeksi
- ısı indeksifigure used to describe the apparent heat felt by a person
Cite this entry
APA
heat index. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/heat%20index
MLA
“heat index.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heat%20index. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “heat index,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/heat%20index.
Source: heat index on Wiktionary, CC BY-SA 4.0.