Phrase guide

heat index

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A figure used by American meteorologists to describe the apparent heat felt by a person as the result of a combination of temperature and humidity.

Definition source: English Wiktionary via Wiktextract

Usage: US

Topics: climatology, meteorology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From heat + index.

Across languages

Translations

7 source translations are retained for this English entry.

  • Catalan: temperatura de xafogor — figure used to describe the apparent heat felt by a person
  • German: Hitzeindex — figure used to describe the apparent heat felt by a person
  • Korean: 열지수 (yeoljisu) — figure used to describe the apparent heat felt by a person
  • Romanian: index de căldură — figure used to describe the apparent heat felt by a person
  • Swedish: värmeindex — figure used to describe the apparent heat felt by a person
  • Swedish: humidex — figure used to describe the apparent heat felt by a person
  • Turkish: ısı indeksi — figure used to describe the apparent heat felt by a person