self-excitedadj.

Brit.

/ˌsɛlfᵻkˈsʌɪtᵻd/,

/ˌsɛlfɛkˈsʌɪtᵻd/, U.S.

/ˌsɛlfɪkˈsaɪdᵻd/,

/ˌsɛlfɛkˈsaɪdᵻd/

Origin: Formed within English, by derivation. Etymons: self- prefix, excited adj.

Etymology: < self- prefix + excited adj. Compare earlier self-excitation n., self-exciting n., self-exciting adj., and later self-excite v.

1. In early use: instigated or induced by oneself; roused or stirred up by oneself. Later also: enthusiastic about oneself. Now rare.

ΚΠ

1790 W. Paley Use & Propriety Local & Occas. Preaching 25 There is no devotion so genuine as that which flows from these meditations, because it is unforced and self-excited.

1838 Pennsylvania Inquirer & Daily Courier 20 Jan. 2/2 Under the influence of their self-excited frenzy.

1891 Daily Inter Ocean (Chicago) 13 Feb. 12/4 Pictures of the future..projected from the camera of the prophet's self-excited and self-illuminated mind.

1997 D. F. McCandless Gender & Performance Shakespeare's Probl. Comedies 10 The efforts of the most self-excited hacks and charlatans to inflict their desecrations of Shakespeare on an unsuspecting public.

2. Of a device (esp. a dynamo or other rotating electromagnetic induction machine): that has generated an electric current, magnetic field, etc., within itself. Of a component of such a device: that exhibits electric or magnetic activity generated by the device itself. Sometimes also: (of a radio transmitter) = self-exciting adj. 2b.

ΚΠ

1882 Eng. Mechanic & World of Sci. 28 July 479/2 In this machine a part of the E.M.F. is due to the magnetism derived from the current in the self-excited coil.

1921 J. H. Morecroft Princ. Radio Communication vi. 563 (caption) Conditions occurring in the self-excited tube.

1940 Amateur Radio Handbk. (ed. 2) xvii. 245/1 Developments during the few years prior to the war tended to relegate self-excited transmitters into the background.

1977 Jrnl. Royal Soc. Arts 125 764/1 Before the appearance of the self-excited dynamo in 1867 it was by no means obvious that magneto-electric induction would power the world's industries.

2006 P. Lorrain et al. Magneto-fluid Dynamics xi. 174 The mechanism that generates this axial magnetic field is a self-excited dynamo.

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

单词	self-excited
释义	self-excitedadj. Brit. /ˌsɛlfᵻkˈsʌɪtᵻd/, /ˌsɛlfɛkˈsʌɪtᵻd/, U.S. /ˌsɛlfɪkˈsaɪdᵻd/, /ˌsɛlfɛkˈsaɪdᵻd/ Origin: Formed within English, by derivation. Etymons: self- prefix, excited adj. Etymology: < self- prefix + excited adj. Compare earlier self-excitation n., self-exciting n., self-exciting adj., and later self-excite v. 1. In early use: instigated or induced by oneself; roused or stirred up by oneself. Later also: enthusiastic about oneself. Now rare. ΚΠ 1790 W. Paley Use & Propriety Local & Occas. Preaching 25 There is no devotion so genuine as that which flows from these meditations, because it is unforced and self-excited. 1838 Pennsylvania Inquirer & Daily Courier 20 Jan. 2/2 Under the influence of their self-excited frenzy. 1891 Daily Inter Ocean (Chicago) 13 Feb. 12/4 Pictures of the future..projected from the camera of the prophet's self-excited and self-illuminated mind. 1997 D. F. McCandless Gender & Performance Shakespeare's Probl. Comedies 10 The efforts of the most self-excited hacks and charlatans to inflict their desecrations of Shakespeare on an unsuspecting public. 2. Of a device (esp. a dynamo or other rotating electromagnetic induction machine): that has generated an electric current, magnetic field, etc., within itself. Of a component of such a device: that exhibits electric or magnetic activity generated by the device itself. Sometimes also: (of a radio transmitter) = self-exciting adj. 2b. ΚΠ 1882 Eng. Mechanic & World of Sci. 28 July 479/2 In this machine a part of the E.M.F. is due to the magnetism derived from the current in the self-excited coil. 1921 J. H. Morecroft Princ. Radio Communication vi. 563 (caption) Conditions occurring in the self-excited tube. 1940 Amateur Radio Handbk. (ed. 2) xvii. 245/1 Developments during the few years prior to the war tended to relegate self-excited transmitters into the background. 1977 Jrnl. Royal Soc. Arts 125 764/1 Before the appearance of the self-excited dynamo in 1867 it was by no means obvious that magneto-electric induction would power the world's industries. 2006 P. Lorrain et al. Magneto-fluid Dynamics xi. 174 The mechanism that generates this axial magnetic field is a self-excited dynamo. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online June 2022). < adj.1790
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