| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024phos•pho•res•cence /ˌfɑsfəˈrɛsəns/USA pronunciation n. [uncountable]- Physics, Chemistrythe property of giving off light at temperatures below burning, as after exposure to light or other radiation.
phos•pho•res•cent, adj. WordReference Random House Unabridged Dictionary of American English © 2024phos•pho•res•cence (fos′fə res′əns),USA pronunciation n. - Physics, Chemistrythe property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.
- Physics, Chemistrya luminous appearance resulting from this.
- Physics, Chemistryany luminous radiation emitted from a substance after the removal of the exciting agent.
- phosphoresc(ent) + -ence 1790–1800
Collins Concise English Dictionary © HarperCollins Publishers:: phosphorescence /ˌfɒsfəˈrɛsəns/ n - a fluorescence that persists after the bombarding radiation producing it has stopped
- the light emitted in phosphorescence
- the emission of light during a chemical reaction, such as bioluminescence, in which insufficient heat is evolved to cause fluorescence
Compare fluorescence
|