英语词汇“phosphorescence”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	phosphorescence
释义	Trends of phosphorescence View usage for: 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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