Phrase guide

thermal radiation

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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1

noun

Meaning 1

The electromagnetic radiation emitted from a body as a consequence of its temperature; increasing the temperature of the body increases the amount of radiation produced, and shifts it to shorter wavelengths (higher frequencies) in a manner explained only by quantum mechanics.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

12 source translations are retained for this English entry.

  • Chinese Mandarin: 熱輻射 /热辐射 (rèfúshè) — electromagnetic radiation emitted from a body
  • Finnish: lämpösäteily — electromagnetic radiation emitted from a body
  • French: radiation thermique — electromagnetic radiation emitted from a body
  • Hungarian: hőmérsékleti sugárzás — electromagnetic radiation emitted from a body
  • Icelandic: varmageislun — electromagnetic radiation emitted from a body
  • Icelandic: hitageislun — electromagnetic radiation emitted from a body
  • Norwegian Bokmål: varmestråling — electromagnetic radiation emitted from a body
  • Norwegian Nynorsk: varmestråling — electromagnetic radiation emitted from a body
  • Russian: теплово́е излуче́ние (teplovóje izlučénije) — electromagnetic radiation emitted from a body
  • Spanish: radiación térmica — electromagnetic radiation emitted from a body
  • Swedish: värmestrålning — electromagnetic radiation emitted from a body
  • Ukrainian: теплове́ випромі́нювання (teplové vypromínjuvannja) — electromagnetic radiation emitted from a body