Phrase guide

ultraviolet radiation

noun · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A form of non-ionizing radiation emitted by the sun and other artificial sources.

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: UV radiation

Antonyms: none provided

2

noun

Meaning 2

radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ultraviolet, ultraviolet light, ultraviolet illumination, UV

Antonyms: none provided

Broader terms: actinic radiation, actinic ray

Narrower terms: sunray, sun-ray

History

Etymology

No etymology was provided for this word.

Across languages

Translations

21 source translations are retained for this English entry.

  • Belarusian: ультрафіялетавае выпраменьванне (ulʹtrafijaljetavaje vypramjenʹvannje) — form of non-ionizing radiation
  • Chinese Mandarin: 紫外線 /紫外线 (zǐwàixiàn) — form of non-ionizing radiation
  • Czech: ultrafialové záření — form of non-ionizing radiation
  • Finnish: ultraviolettisäteily — form of non-ionizing radiation
  • German: Ultraviolettstrahlung — form of non-ionizing radiation
  • Hungarian: ibolyántúli sugárzás — form of non-ionizing radiation
  • Hungarian: UV-sugárzás — form of non-ionizing radiation
  • Japanese: 紫外線 (shigaisen) — form of non-ionizing radiation
  • Korean: 자외선 (jaoeseon) — form of non-ionizing radiation
  • Lithuanian: ultravioletiniai spinduliai — form of non-ionizing radiation
  • Macedonian: ултравиолетово зрачење (ultravioletovo zračenje) — form of non-ionizing radiation
  • Romanian: radiație ultravioletă — form of non-ionizing radiation
  • Russian: ультрафиолетовое излучение (ulʹtrafioletovoje izlučenije) — form of non-ionizing radiation
  • Slovak: ultrafialové žiarenie — form of non-ionizing radiation
  • Slovene: ultravijolično sevanje — form of non-ionizing radiation
  • Lower Sorbian: ultrawioletne promjenjenje — form of non-ionizing radiation
  • Upper Sorbian: ultrawioletne promjenjowanje — form of non-ionizing radiation
  • Spanish: radiación ultravioleta — form of non-ionizing radiation
  • Ukrainian: ультрафіоле́тове випромі́нювання (ulʹtrafiolétove vypromínjuvannja) — form of non-ionizing radiation
  • Vietnamese: tia cực tím — form of non-ionizing radiation
  • Vietnamese: tia tử ngoại — form of non-ionizing radiation