light-sensitive

adjective

Affected by, or sensitive to light.

Similar
photosensitivesensitive
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Meanings

adjectivelight-sensitive (comparative more light-sensitive, superlative most light-sensitive)

comparative more light-sensitive · superlative most light-sensitive

  1. Affected by, or sensitive to light.

    All lights are automatically extinguished at daylight by light-sensitive relay.

    1963 August, “The semi-automatic Tees Yard of the North Eastern Region”, in Modern Railways, page 124
  2. artsOf a substance or surface, changing chemically or physically when exposed to light.
  3. biologyOf a cell, tissue or organ, able to detect the presence (or intensity) of light.

Synonyms & antonyms

Similar
photosensitive

adjectivesensitive to visible light

Similar
photosensitivesensitive
Also see
photosensitive

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From light (noun) + sensitive.

Full word history & related roots →

Translations

Catalan fotosensible
  • fotosensibleaffected by or sensitive to light — see also photosensitive
Danish lysfølsom
  • lysfølsomaffected by or sensitive to light — see also photosensitive
Dutch lichtgevoelig
  • lichtgevoeligaffected by or sensitive to light — see also photosensitive
Estonian valgustundlik
  • valgustundlikaffected by or sensitive to light — see also photosensitive
Finnish valoherkkä
  • valoherkkäaffected by or sensitive to light — see also photosensitive
French photosensible
  • photosensibleaffected by or sensitive to light — see also photosensitive
German lichtempfindlich
  • lichtempfindlichaffected by or sensitive to light — see also photosensitive
Hungarian fényérzékeny
  • fényérzékenyaffected by or sensitive to light — see also photosensitive
Italian fotosensibile
  • fotosensibileaffected by or sensitive to light — see also photosensitive
Norwegian Bokmål lysfølsom
  • lysfølsomaffected by or sensitive to light — see also photosensitive
Polish światłoczuły
  • światłoczułyaffected by or sensitive to light — see also photosensitive
Portuguese fotossensível
  • fotossensívelaffected by or sensitive to light — see also photosensitive
Russian светочувстви́тельный
  • светочувстви́тельный (svetočuvstvítelʹnyj)affected by or sensitive to light — see also photosensitive
Spanish fotosensible
  • fotosensibleaffected by or sensitive to light — see also photosensitive
Swedish ljuskänslig
  • ljuskänsligaffected by or sensitive to light — see also photosensitive
Ukrainian світлочутли́вий
  • світлочутли́вий (svitločutlývyj)affected by or sensitive to light — see also photosensitive
Cite this entry
APA

light-sensitive. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/light-sensitive

MLA

“light-sensitive.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/light-sensitive. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “light-sensitive,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/light-sensitive.

Source: light-sensitive on Wiktionary, CC BY-SA 4.0.