electrodynamicsn.

Brit.

/ᵻˌlɛktrəʊdʌɪˈnamɪks/, U.S.

/əˌlɛktroʊˌdaɪˈnæmɪks/,

/iˌlɛktroʊˌdaɪˈnæmɪks/

Origin: Formed within English, by compounding; probably modelled on a French lexical item. Etymons: electro- comb. form, dynamics n.

Etymology: < electro- comb. form + dynamics n., probably after French électro-dynamique, adjective (see electrodynamic adj.). Compare slightly later electrodynamical adj. and electrodynamic adj.

Physics.

The branch of science that deals with the movement of electric charges in magnetic and electric fields and with the mutual interaction of electric currents. Cf. quantum electrodynamics n. at quantum n. and adj. Compounds 2.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > [noun] > mutual influence of currents

electrodynamics1822

electrodynamism1889

1822 R. Phillips Let. 3 Sept. in M. Faraday Corr. (1991) I. 287 Your [sc. Ampère's] refined researches in electro-magnetism or electrodynamics.

1827 J. Cumming Man. Electro Dynamics p. vi A new science..treating of the effects of electricity in motion through a continued system of conductors, has been termed Electro-dynamics.

1866 R. M. Ferguson Electricity 171 Electrodynamics treats of the mutual attractions and repulsions of currents on currents, and currents on magnets.

1913 London, Edinb., & Dublin Philos. Mag. 6th Ser. 26 2 Whatever the alteration in the laws of motion of the electrons may be, it seems necessary to introduce..a quantity foreign to the classical electrodynamics, i.e. Planck's constant.

1990 E. Harth Dawn of Millennium (1991) vii. 113 Newtonian mechanics, together with the eminently successful theories of electrodynamics and statistical mechanics, formed a powerful and apparently all-encompassing body of knowledge.

2002 Nature 12 Sept. 119/1 The Casimir effect is deeply rooted in the quantum theory of electrodynamics.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	electrodynamics
释义	electrodynamicsn. Brit. /ᵻˌlɛktrəʊdʌɪˈnamɪks/, U.S. /əˌlɛktroʊˌdaɪˈnæmɪks/, /iˌlɛktroʊˌdaɪˈnæmɪks/ Origin: Formed within English, by compounding; probably modelled on a French lexical item. Etymons: electro- comb. form, dynamics n. Etymology: < electro- comb. form + dynamics n., probably after French électro-dynamique, adjective (see electrodynamic adj.). Compare slightly later electrodynamical adj. and electrodynamic adj. Physics. The branch of science that deals with the movement of electric charges in magnetic and electric fields and with the mutual interaction of electric currents. Cf. quantum electrodynamics n. at quantum n. and adj. Compounds 2. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > [noun] > mutual influence of currents electrodynamics1822 electrodynamism1889 1822 R. Phillips Let. 3 Sept. in M. Faraday Corr. (1991) I. 287 Your [sc. Ampère's] refined researches in electro-magnetism or electrodynamics. 1827 J. Cumming Man. Electro Dynamics p. vi A new science..treating of the effects of electricity in motion through a continued system of conductors, has been termed Electro-dynamics. 1866 R. M. Ferguson Electricity 171 Electrodynamics treats of the mutual attractions and repulsions of currents on currents, and currents on magnets. 1913 London, Edinb., & Dublin Philos. Mag. 6th Ser. 26 2 Whatever the alteration in the laws of motion of the electrons may be, it seems necessary to introduce..a quantity foreign to the classical electrodynamics, i.e. Planck's constant. 1990 E. Harth Dawn of Millennium (1991) vii. 113 Newtonian mechanics, together with the eminently successful theories of electrodynamics and statistical mechanics, formed a powerful and apparently all-encompassing body of knowledge. 2002 Nature 12 Sept. 119/1 The Casimir effect is deeply rooted in the quantum theory of electrodynamics. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1822
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