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dissipate

[dis-uh-peyt] /ˈdɪs əˌpeɪt/
verb (used with object), dissipated, dissipating.
1.
to scatter in various directions; disperse; dispel.
2.
to spend or use wastefully or extravagantly; squander; deplete:
to dissipate one's talents; to dissipate a fortune on high living.
verb (used without object), dissipated, dissipating.
3.
to become scattered or dispersed; be dispelled; disintegrate:
The sun shone and the mist dissipated.
4.
to indulge in extravagant, intemperate, or dissolute pleasure.
Origin
1525-1535
1525-35; < Latin dissipātus (past participle of dissipāre, dissupāre to scatter); see -ate1
Related forms
dissipater, dissipator, noun
dissipative, adjective
dissipativity
[dis-uh-puh-tiv-i-tee] /ˌdɪs ə pəˈtɪv ɪ ti/ (Show IPA),
noun
nondissipative, adjective
Synonyms
1. See scatter. 3. disappear, vanish.
Antonyms
1, 3. unite.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for dissipative

dissipate

/ˈdɪsɪˌpeɪt/
verb
1.
to exhaust or be exhausted by dispersion
2.
(transitive) to scatter or break up
3.
(intransitive) to indulge in the pursuit of pleasure
Derived Forms
dissipater, dissipator, noun
dissipative, adjective
Word Origin
C15: from Latin dissipāre to disperse, from dis-1 + supāre to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for dissipative

dissipate

v.

early 15c., from Latin dissipatus, past participle of dissipare "to spread abroad, scatter, disperse; squander, disintegrate," from dis- "apart" (see dis-) + supare "to throw, scatter," from PIE *swep- "to throw, sling, cast" (cf. Lithuanian supu "to swing, rock," Old Church Slavonic supo "to strew"). Related: Dissipated; dissipates; dissipating.

Online Etymology Dictionary, © 2010 Douglas Harper
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