self-dischargen.

Brit.

/ˌsɛlfˈdɪstʃɑːdʒ/, U.S.

/ˌsɛlfˈdɪsˌtʃɑrdʒ/

Origin: Formed within English, by derivation. Etymons: self- prefix, discharge n.

Etymology: < self- prefix + discharge n.

1. The action of discharging oneself (in various senses of discharge v.). Now esp. with reference to a patient: the action of leaving hospital after declining further treatment, usually against medical advice.

ΚΠ

1692 L. Braddon Murther will Out 7/2 These Mens Testimony being in effect a Self-discharge, ought not be to have been admitted.

1876 Capital & Labour 6 Jan. 2/1 [Previously] there was room..to suspect that they had some grievance which might excuse, if not justify their self-discharge.

1952 W. E. Snell in Tubercule 33 174 (title) The problem of self-discharge from sanatoria.

1967 Amer. Rev. Respiratory Dis. 95 504/2 He left the hospital through self-discharge four months after reversal of infectiousness.

2013 Prince George (Brit. Columbia) Citizen (Nexis) 3 Oct. 22 A study based on Manitoba data..found that self discharge from hospitals was associated with higher rates of readmission and of death.

†2. In a device or machine: the action or an act of spontaneous or automatic discharge (esp. of water or electricity). Obsolete.

ΚΠ

1767 Monthly Rev. Oct. 251 If an eminence was made on either of the plates, the self-discharge would always be made through it.

1855 in Brit. Alm. & Comp. (1856) 50 Quick self-discharge of water.

1876 Lancaster Gaz. 9 Sept. The chief characteristics of a good life-boat are, that it should possess great lateral stability;..instantaneous self-discharge of any water entering it;..great strength of general construction, and stowage for a number of passengers.

1902 Electrician 22 Aug. 714/2 An electric spark, or more properly speaking, a self discharge, cannot occur until the difference of potential of the electrodes possesses a certain value.

3. In a battery or capacitor: a gradual loss of stored charge when not in use, owing to internal chemical reactions, imperfect insulation, etc. Cf. local action n. at local adj. and n. Compounds, leakage n. 2b.

ΚΠ

1857 Encycl. Brit. XIV. 662/1 Probably but a very minute fraction of the interior electricity is at once conveyed to the surface, the further communication being delayed until the exterior tension is relieved, either by slow dissipation or by self-discharge.

1917 R. B. Leighou Chem. Materials xix. 415 When a charged cell is allowed to stand idle, it slowly discharges spontaneously. This is known as self-discharge.

1961 Pop. Mech. Feb. 255/1 The oxygen is transported to the negative plate and reacts with it to cause self-discharge.

2012 D. Xia in R.-S. Liu et al. Electrochem. Technol. Energy Storage & Conversion I. iii. 92 Two criteria are often used to characterize the storage performance of batteries: self-discharge rate and capacity recovery after storage.

This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).

单词	self-discharge
释义	self-dischargen. Brit. /ˌsɛlfˈdɪstʃɑːdʒ/, U.S. /ˌsɛlfˈdɪsˌtʃɑrdʒ/ Origin: Formed within English, by derivation. Etymons: self- prefix, discharge n. Etymology: < self- prefix + discharge n. 1. The action of discharging oneself (in various senses of discharge v.). Now esp. with reference to a patient: the action of leaving hospital after declining further treatment, usually against medical advice. ΚΠ 1692 L. Braddon Murther will Out 7/2 These Mens Testimony being in effect a Self-discharge, ought not be to have been admitted. 1876 Capital & Labour 6 Jan. 2/1 [Previously] there was room..to suspect that they had some grievance which might excuse, if not justify their self-discharge. 1952 W. E. Snell in Tubercule 33 174 (title) The problem of self-discharge from sanatoria. 1967 Amer. Rev. Respiratory Dis. 95 504/2 He left the hospital through self-discharge four months after reversal of infectiousness. 2013 Prince George (Brit. Columbia) Citizen (Nexis) 3 Oct. 22 A study based on Manitoba data..found that self discharge from hospitals was associated with higher rates of readmission and of death. †2. In a device or machine: the action or an act of spontaneous or automatic discharge (esp. of water or electricity). Obsolete. ΚΠ 1767 Monthly Rev. Oct. 251 If an eminence was made on either of the plates, the self-discharge would always be made through it. 1855 in Brit. Alm. & Comp. (1856) 50 Quick self-discharge of water. 1876 Lancaster Gaz. 9 Sept. The chief characteristics of a good life-boat are, that it should possess great lateral stability;..instantaneous self-discharge of any water entering it;..great strength of general construction, and stowage for a number of passengers. 1902 Electrician 22 Aug. 714/2 An electric spark, or more properly speaking, a self discharge, cannot occur until the difference of potential of the electrodes possesses a certain value. 3. In a battery or capacitor: a gradual loss of stored charge when not in use, owing to internal chemical reactions, imperfect insulation, etc. Cf. local action n. at local adj. and n. Compounds, leakage n. 2b. ΚΠ 1857 Encycl. Brit. XIV. 662/1 Probably but a very minute fraction of the interior electricity is at once conveyed to the surface, the further communication being delayed until the exterior tension is relieved, either by slow dissipation or by self-discharge. 1917 R. B. Leighou Chem. Materials xix. 415 When a charged cell is allowed to stand idle, it slowly discharges spontaneously. This is known as self-discharge. 1961 Pop. Mech. Feb. 255/1 The oxygen is transported to the negative plate and reacts with it to cause self-discharge. 2012 D. Xia in R.-S. Liu et al. Electrochem. Technol. Energy Storage & Conversion I. iii. 92 Two criteria are often used to characterize the storage performance of batteries: self-discharge rate and capacity recovery after storage. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). < n.1692
随便看	bone-weariness bone-weary bone-white bone-work lace bone-worker bone-working bonebaster bonebleached boneboiling bonebreaker bonebreaking bonebuilding bonecasing bonechilled bonechilling bonecollector bonecolour bonecoloured bonecrunching bonecrushing boned bonedigester bonedry boneen bonefish