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Definition of luminescent
luminescent
/ˌluː.mɪˈnɛs.ənt/
lu · mi · nes · cent
Adverb:luminescently
luminescent Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
4
luminescent Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Emitting light through a chemical, biological, or electrical process that does not generate significant heat.
Example
"The divers marveled at the luminescent jellyfish drifting silently through the dark ocean depths."
2
Shining with a soft, bright, or vivid glow.
Example
"The artist used luminescent shades of blue and green to capture the reflection of the moonlight on the water."
Synonyms
View all synonyms for luminescent Antonyms
View all antonyms for luminescentWord Nuance & Usage
Unlike 'incandescent', which describes light produced by extreme heat, 'luminescent' specifically refers to cold light emitted through chemical, electrical, or biological processes.
• Rhymes for luminescent
• Nearby Words
Word Origin & Etymology
Coined in the late 19th century from the Latin noun 'lumen' (meaning 'light') combined with the inchoative suffix '-escent', patterned after words like 'incandescent'.
Cite this Entry
Wordmom. (2026). Definition of Luminescent. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/luminescent