from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Persistent emission of light following exposure to and removal of incident radiation.
- n. Emission of light without burning or by very slow burning without appreciable heat, as from the slow oxidation of phosphorous: "He saw the phosphorescence of the Gulf weed in the water” ( Ernest Hemingway).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The emission of light without any perceptible heat; the quality of being phosphorescent.
from the GNU version of the Collaborative International Dictionary of English
- n. The quality or state of being phosphorescent; or the act of phosphorescing.
- n. A phosphoric light.
from The Century Dictionary and Cyclopedia
- n. The state or character of being phosphorescent; the property which certain bodies possess of becoming luminous without undergoing combustion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a fluorescence that persists after the bombarding radiation has ceased
From phosphorescent (Wiktionary)