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单词 phosphorescence
释义

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phosphorescence

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phosphorescence

(fɒsfəresəns)
uncountable noun
Phosphorescence is a glow or soft light which is produced in the dark without using heat.

phosphorescence in British English

(ˌfɒsfəˈrɛsəns)
noun
1.  physics
a. 
a fluorescence that persists after the bombarding radiation producing it has stopped
b. 
a fluorescence for which the average lifetime of the excited atoms is greater than 10–8 seconds
2. 
the light emitted in phosphorescence
3. 
the emission of light during a chemical reaction, such as bioluminescence, in which insufficient heat is evolved to cause fluorescence
Compare fluorescence

phosphorescence in American English

(ˌfɑsfəˈrɛsəns)
noun
1. 
a. 
the condition or property of a substance of giving off a lingering emission of light after exposure to radiant energy, as light or X-rays
b. 
the light thus given off
2. 
a continuing luminescence without noticeable heat, as from phosphorus when it is slowly oxidized
Derived forms
phosphorescent (ˌphosphoˈrescent)
adjective
Word origin
Fr: see phosphorus & -escence

Examples of 'phosphorescence' in a sentence
phosphorescence

A fitful phosphorescence, like the glow of deep-sea fishes: blue, cold, charmless.
Clive Barker THE HELLBOUND HEART (2001)
As the outer doors slid shut, the blue light of phosphorescence brightened in the cavern.
Kerr, Katharine A TIME OF WAR (2001)
There were lanterns hanging in the branches, she saw, giving off a sickly phosphorescence.
Clive Barker EVERVILLE (2001)
Like Helio, Garun held out his hands, and a phosphorescence appeared between them.
Kara Dalkey WATER BOOK ONE: ASCENSION (2001)
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更新时间：2025/3/24 15:42:31