luminescence
luminescence — noun
1. light produced by a material or living thing without becoming hot enough to glow
light produced by a material or living thing without becoming hot enough to glow from heat.
The lab measured the blue luminescence from the treated mineral sample.
luminescence from [material/process]
Divers watched the jellyfish's luminescence brighten the water around them.
Ritu explained that the insect's luminescence helps it attract mates.
A weak green luminescence appeared where the chemical drops touched glass.
- fluorescence
a specific kind of luminescence caused by absorbing energy and giving it off quickly
- phosphorescence
a kind of luminescence that continues after the energy source is removed
- bioluminescence
luminescence produced by living organisms
- incandescence
light produced because something is very hot
文法句型
luminescence in/from [substance/process]
the luminescence of [organism/material]
用法筆記
Usually used in science or nature contexts when the focus is on how light is produced without strong heat. Distinguish it from sense 2, which describes the gentle visual effect rather than the physical process.
常見錯誤
2. a gentle, spread-out light that gives something a soft glowing appearance.
a gentle, spread-out light that gives something a soft glowing appearance.
The paper lanterns filled the courtyard with a warm golden luminescence.
a warm [adjective] luminescence
Ada paused by the window, admiring the moonlit luminescence on fresh snow.
Morning mist gave the river a pale luminescence before sunrise.
The old painting kept its soft luminescence under the museum lights.
- glare
harsh, uncomfortable brightness
文法句型
a soft/warm luminescence
luminescence in/of [place/object]
用法筆記
More common in descriptive or literary writing than in technical discussion. This sense names the visible glow itself, not the scientific reason the light appears.