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The atmospheric glow that remains for a short time after sunset.
(noun)
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The light emitted after removal of a source of energy, especially:
(noun)
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The glow of an incandescent metal as it cools.
(noun)
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The emission of light from a phosphor after removal of excitation.
(noun)
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The comfortable feeling following a pleasant experience.
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.