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单词 electric charge
释义

electric chargen.

Brit. /ᵻˌlɛktrɪk ˈtʃɑːdʒ/, U.S. /əˌlɛktrɪk ˈtʃɑrdʒ/, /iˌlɛktrɪk ˈtʃɑrdʒ/
Origin: Formed within English, by compounding. Etymons: electric adj., charge n.
Etymology: < electric adj. + charge n. Compare slightly earlier charge n. 5.
Physics.
The quantity whose presence or flow constitutes electricity, now recognized as an intrinsic property of certain subatomic particles; the property of something by virtue of which it is affected by an electric field; an excess of one or other kind of this (positive or negative) on or in an object; = charge n. 5.
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the world > matter > physics > atomic physics > ion > [noun] > electrical property of particles
electric charge1771
charge1891
1771 Philos. Trans. 1770 (Royal Soc.) 60 204 It is the very same thing..whether the electric charge enter the body at one place, and go out at another, or whether it be received and emitted at the same place.
1800 Philos. Mag. 7 311 Neither these humours nor grease,..as it is found in living animals, can receive an electric charge in the manner of insulating plates, and retain it.
1847 Proc. Amer. Philos. Soc. 1843–7 4 259 The modus in which the electric charge passes along the wires.
1876 R. Routledge Discov. & Inventions 19th Cent. 367 This instrument is often used for showing the existence of very small electric charges.
1927 A. S. Eddington Stars & Atoms 99 The electrons and protons—the elementary negative and positive electric charges—out of which matter is built.
1936 N. Feather Introd. Nucl. Physics ii. 29 Quantitative experiments led to the enunciation of laws of conservation: measurable quantities—mass, momentum, energy, electric charge—were defined in respect of particles.
1956 Planning 22 128 Static elimination is the removal of the harmful electric charges which accumulate on fibres and thin sheets.
1981 M. Gell-Mann in J. H. Mulvey Nature of Matter viii. 176 The electromagnetic and weak forces are ‘flavour forces’: the electric charge of a particle depends on its flavour.
1996 Economist 17 Aug. 74/1 Neutrinos are curious particles. They have no electric charge nor, it is widely believed, any mass.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1771
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