# dissipation
## English
### Etymology

From Middle English dissipacion, dissipacioun, from Late Latin dissipātiō. Morphologically dissipate +‎ -ion.

### Pronunciation

* IPA: /ˌdɪsɪˈpeɪʃən/
* Rhymes: -eɪʃən
** Audio (Southern England):(file)

### Noun

dissipation (countable and uncountable, plural dissipations)
* The act of dissipating or dispersing; a state of dispersion or separation; dispersion; waste.
** 1627 (indicated as 1626), Francis [Bacon], “(please specify the page, or |century=I to X)”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. […], London: […] William Rawley […]; [p]rinted by J[ohn] H[aviland] for William Lee […], →OCLC:without loss or dissipation of the matter
** a. 1677 (date written), Matthew Hale, The Primitive Origination of Mankind, Considered and Examined According to the Light of Nature, London: […] William Godbid, for William Shrowsbery, […], published 1677, →OCLC:the famous dissipation of mankind
* A dissolute course of life, in which health, money, etc., are squandered in pursuit of pleasure; profuseness in immoral indulgence, as late hours, riotous living, etc.; dissoluteness.
** 18th century, Patrick Henry in a parliamentary debate
    to reclaim the spendthrift from his dissipation and extravagance
** 1828, [Edward Bulwer-Lytton], chapter XX, in Pelham; or, The Adventures of a Gentleman. […], volume II, London: Henry Colburn, […], →OCLC, page 196:I rose by candle-light, and consumed, in the intensest application, the hours which every other individual of our party wasted in enervating slumbers, from the hesternal dissipation or debauch.
** 1847 December, Ellis Bell [pseudonym; Emily Brontë], “chapter VIII”, in Wuthering Heights: […], volume (please specify |volume=I or II), London: Thomas Cautley Newby, […], →OCLC:He neither wept nor prayed; he cursed and defied: execrated God and man, and gave himself up to reckless dissipation.
** 1913, Robert Barr, chapter 4, in Lord Stranleigh Abroad, →OL:[...] This is a surprise attack, and I’d no wish that the garrison, forewarned, should escape. I am sure, Lord Stranleigh, that he has been descanting on the distraction of the woods and the camp, or perhaps the metropolitan dissipation of Philadelphia, [...]
* A trifle which wastes time or distracts attention.
** 1733 May 28, letter from Alexander Pope to Jonathan Swift:
    Prevented from finishing them [the letters] a thousand avocations and dissipations.
* (physics) A loss of energy, usually as heat, from a dynamic system.
** 1965 November 6, G. Colombo, “Rotational Period of the Planet Mercury”, in Nature, volume 208, number 575, →DOI:They conclude […] the planet will have a final period of rotation between 56 and 88 days, depending on the assumed form of the dissipation function.

#### Derived terms

* dissipational
* dissipation factor
* dissipation function
* dissipationless
* distrail
* nondissipation
* power dissipation

#### Translations

    The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

## French
### Etymology

From dissiper +‎ -tion.

### Pronunciation

* Audio:(file)

### Noun

dissipation f (plural dissipations)
* clearing, dissipation, disappearance

### Further reading

* “dissipation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.