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单词 magnetohydrodynamic
释义

magnetohydrodynamicadj.

Brit. /maɡˌniːtəʊˌhʌɪdrə(ʊ)dʌɪˈnamɪk/, U.S. /mæɡˈˌnɛdoʊˌhaɪdroʊˌdaɪˈnæmɪk/, /mæɡˈˌnidoʊˌhaɪdroʊˌdaɪˈnæmɪk/, /mæɡˈˌnɛdoʊˌhaɪdrəˌdaɪˈnæmɪk/, /mæɡˈˌnidoʊˌhaɪdrəˌdaɪˈnæmɪk/, /mæɡˈˌnɛdoʊˌhaɪdroʊdəˈnæmɪk/, /mæɡˈˌnidoʊˌhaɪdroʊdəˈnæmɪk/
Origin: Formed within English, by compounding. Etymons: magneto- comb. form, hydrodynamic adj.
Etymology: < magneto- comb. form + hydrodynamic adj. Compare French magnétohydrodynamique (mid 20th cent.).
Of, relating to, or utilizing the interaction of an electrically conducting fluid, such as a plasma or molten metal, with a magnetic field. Cf initialism MHD.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [adjective] > involving conducting fluid
magnetohydrodynamic1942
hydromagnetic1943
magnetohydrodynamical1953
the world > matter > physics > mechanics > dynamics > fluid dynamics > [adjective] > relating to hydrodynamics > of or involving magnetohydrodynamics
magnetohydrodynamic1942
hydromagnetic1943
magnetohydrostatic1950
magnetohydrodynamical1953
1942 H. Alfvén in Stockholm's Observatoriums Annaler 14 25 The other objection..is that the acceleration ought to be effected by means of magneto-hydrodynamic waves.
1960 Times 14 Apr. 2/2 (advt.) Central Electricity Generating Board... Teams are being formed to work on the following projects:—..Magnetohydrodynamic generation. Fundamental research on (relatively) low temperature plasmas and their interactions with magnetic fields [etc.].
1962 F. I. Ordway et al. Basic Astronautics vi. 287 In a binary system, the angular momentum of the main star seems to have been transferred to the orbital motion of the second star. The means by which the angular momentum was shuffled off is not entirely clear, but magnetohydrodynamic or viscous effects could have played the key role.
1971 I. G. Gass et al. Understanding Earth vi. 94/2 Runcorn has re-examined the possibility of exciting the wobble [of the rotating earth] by the effects of magnetohydrodynamic turbulence in the fluid outer core.
1991 Mech. Engin. Sept. 1/2 A coal-fired magnetohydrodynamic steam combined-cycle power plant.

Derivatives

magˌnetohydrodyˈnamical adj. = magnetohydrodynamic adj.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [adjective] > involving conducting fluid
magnetohydrodynamic1942
hydromagnetic1943
magnetohydrodynamical1953
the world > matter > physics > mechanics > dynamics > fluid dynamics > [adjective] > relating to hydrodynamics > of or involving magnetohydrodynamics
magnetohydrodynamic1942
hydromagnetic1943
magnetohydrostatic1950
magnetohydrodynamical1953
1953 L. H. Aller Astrophysics ix. 354 Alfvén suggested a theory of sunspots based on magneto-hydrodynamical waves.
1959 Jrnl. Geophysical Res. 64 1220/1 The entire medium can..be stirred up without requiring any magnetohydrodynamical work.
1996 Nature 5 Sept. 32/2 If a magnetic field is coupled to an incompressible plasma that is hot enough, the magnetohydrodynamical approximation, in which the conductivity σ is assumed to be infinite, can be used.
magnetohydrodyˈnamically adv.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [adverb] > in manner involving fluid
magnetohydrodynamically1962
hydromagnetically1970
the world > matter > physics > mechanics > dynamics > fluid dynamics > [adverb] > in relation to hydrodynamics > in respect of magnetohydrodynamics
magnetohydrodynamically1962
hydromagnetically1970
1962 W. B. Thompson Introd. Plasma Physics iv. 58 The possibility of producing a magnetohydrodynamically confined plasma has stimulated an enormous research effort in plasma physics.
1992 Jrnl. Appl. Physics 72 4581 The discharge consists of a magnetohydrodynamically stable, imploding thick annulus.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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adj.1942
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