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To drive away; disperse.
(verb-transitive)
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To attenuate to or almost to the point of disappearing: The wind finally dissipated the smoke. See Synonyms at scatter.
(verb-transitive)
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To spend or expend intemperately or wastefully; squander.
(verb-transitive)
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To use up, especially recklessly; exhaust: dissipated their energy. See Synonyms at waste.
(verb-transitive)
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To cause to lose (energy, such as heat) irreversibly.
(verb-transitive)
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.