From Middle English dissipaten, from Latin dissipātus, past participle of dissipāre, also written dissupare (“to scatter, disperse, demolish, destroy, squander, dissipate”), from dis- (“apart”) + supāre (“to throw”), also in comp. insipāre (“to throw into”).
- (transitive) To drive away, disperse.
- (transitive) To use up or waste; squander.
- 1679–1715, Gilbert Burnet, “(please specify the page)”, in The History of the Reformation of the Church of England., London: […] T[homas] H[odgkin] for Richard Chiswell, […]:
- The vast wealth […] was in three years dissipated.
- 1986, John le Carré, A Perfect Spy:
- If he prefers the bar he can exchange views with a Major de Wildman of Lord knew whose army, who calls himself King Farouk's equerry and claims to have a private telephone link to Cairo so that he can report the winning numbers and take royal orders inspired by soothsayers on how to dissipate the wealth of Egypt.
- (intransitive) To vanish by dispersion.
- (physics) To cause energy to be lost through its conversion to heat.
- 1960 April, “English Electric diesels for the Sudan Railways”, in Trains Illustrated, page 218:
- The traction motors serve as generators when dynamic braking is used, the generated output being dissipated in fan-cooled resistance banks mounted in a removable roof section.
- 2023 July 26, David Clough, “Technology progression defines Class 93”, in RAIL, number 988, page 54:
- Regenerative braking is retained. Like rheostatic braking, this uses the traction motors to provide a braking effort, but the current developed is fed back into the overhead catenary rather than dissipated through resistance banks.
- (intransitive, colloquial, dated) To be dissolute in conduct.
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
- “dissipate”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- “dissipate”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
- “dissipate”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
dissipate f pl