luminescent

IPA/ˌluːmɪˈnesnt/
KK[lˌumənˈɛsənt]IPA/ˌluːmɪˈnesnt/

luminescent — 形容詞

  • luminescentpositive
  • more luminescentcomparative
  • most luminescentsuperlative

1. giving off light from a surface that stays cool to the touch — true of some chem

1.形容詞C1
釋義

冷光的

物質或生物不靠熱度而自行發出的光

giving off light from a surface that stays cool to the touch — true of some chemicals, minerals, and deep-sea creatures that glow on their own without any heat

例句

The luminescent dial of Noor's old watch glowed faintly in the dark room.

Noor 那隻舊手錶的冷光面盤在黑暗的房間裡發出微弱的亮光。

attributive: luminescent + man-made object

Amihan photographed a trail of luminescent plankton while kayaking at night.

Amihan 夜間划獨木舟時，拍下了一道冷光浮游生物留下的軌跡。

同義詞
  • phosphorescent

    continues to glow after the light source is removed

  • bioluminescent

    cold light produced specifically by living creatures

  • fluorescent

    emits light only when absorbing radiation from an outside source

反義詞
  • incandescent

    producing light through heat, like a traditional light bulb

用法筆記

Used of materials and living things that produce their own light through chemical reactions rather than heat. Common in descriptions of bioluminescent organisms, glow-in-the-dark products, and certain minerals.

常見錯誤

❌The fluorescent lights in the lab were luminescent.
✅The fluorescent lights in the lab were bright.
💡fluorescent objects need an external light source to glow; luminescent objects produce their own light through a chemical process.
❌She wore a luminescent safety vest.
✅She wore a reflective safety vest.
💡safety vests reflect light from outside; they do not emit their own light.

2. looking as if lit from within — used of faces, skin, colours, and scenes that ha

2.形容詞C1
釋義

發亮的

看似自身發光，形容面容、色彩或景色

looking as if lit from within — used of faces, skin, colours, and scenes that have a soft, glowing quality

例句

Mathieu's face was luminescent with pride as he held his newborn daughter.

Mathieu 抱著剛出生的女兒時，滿臉散發著驕傲的光芒。

predicative: [face] was luminescent with [emotion]

The autumn leaves turned a luminescent gold in the late-afternoon sunlight.

秋葉在午後斜陽下變成一片金光閃閃的色澤。

同義詞
  • radiant

    suggests warmth and happiness, often used of a person's expression

  • glowing

    more common and neutral; can describe both literal and figurative brightness

  • luminous

    simply 'full of light' or 'bright'; lacks the figurative sense of an inner glow

反義詞
  • dull

    lacking brightness or visual liveliness

用法筆記

Figurative extension of sense 1. Describes anything that appears to glow, especially faces showing strong emotion, vivid colours in nature, or striking visual scenes. The subject does not literally produce light.

常見錯誤

❌Her luminous jacket was easy to spot.
✅Her bright jacket was easy to spot.
💡'luminous' means simply giving off or reflecting light; 'luminescent' in this sense implies a soft, inner glow, usually describing faces, colours, or delicate beauty.