Phrase guide

light source

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.

  • Received-Pronunciation: /ˈlaɪt.sɔːs/
  • General-American: /ˈlaɪt.sɔɹs/
  • US: Recorded audio is listed in the source snapshot.
  • Canada: [ˈlʌɪt.sɔɹs]

1

noun

Meaning 1

A source of illumination.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any device serving as a source of illumination

Definition source: Princeton WordNet 3.0

Examples

  • he stopped the car and turned off the lights

Meaning relationships

Synonyms: light

Antonyms: none provided

Broader terms: source of illumination

Narrower terms: anchor light, riding light, riding lamp, blinker, flasher, fairy light, flood, floodlight, flood lamp, photoflood, headlight, headlamp, houselights, jacklight, navigation light, night-light, panel light, room light, sconce, searchlight, sidelight, running light, strip lighting, theater light, torch

History

Etymology

No etymology was provided for this word.

Across languages

Translations

21 source translations are retained for this English entry.

  • Chinese Mandarin: 光源 (guāngyuán) — source of illumination
  • Finnish: valonlähde — source of illumination
  • French: source lumineuse — source of illumination
  • German: Lichtquelle — source of illumination
  • Hungarian: fényforrás — source of illumination
  • Italian: punto luce — source of illumination
  • Italian: sorgente luminosa — source of illumination
  • Japanese: 光源 (kōgen) — source of illumination
  • Korean: 광원 (gwang'won) — source of illumination
  • Korean: 빛샘 (bitsaem) — source of illumination
  • Norwegian Bokmål: lyskilde — source of illumination
  • Norwegian Bokmål: lyskjelde — source of illumination
  • Norwegian Nynorsk: lyskjelde — source of illumination
  • Norwegian Nynorsk: ljoskjelde — source of illumination
  • Portuguese: fonte luminosa — source of illumination
  • Portuguese: fonte de luz — source of illumination
  • Russian: исто́чник све́та (istóčnik svéta) — source of illumination
  • Spanish: fuente de luz — source of illumination
  • Spanish: fuente lumínica — source of illumination
  • Swedish: ljuskälla — source of illumination
  • Turkish: ışık kaynağı — source of illumination