magnetosphere

[ mag-nee-tuh-sfeer ]

/ mægˈni təˌsfɪər /

noun Astronomy.

the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts.Compare magnetopause.

such a region of another planet: Jupiter's magnetosphere.

Origin of magnetosphere

First recorded in 1955–60; magneto- + -sphere

OTHER WORDS FROM magnetosphere

mag·ne·to·spher·ic

[mag-nee-tuh-sfer-ik], /mægˌni təˈsfɛr ɪk/, adjective

Words nearby magnetosphere

magnetopause, magnetoplasmadynamics, magnetoresistance, magnetorheology, magnetosheath, magnetosphere, magnetostatics, magnetostriction, magnetotail, magnetotaxis, magnetothermoelectricity

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for magnetosphere

magnetosphere

/ (mæɡˈniːtəʊˌsfɪə) /

noun

the region surrounding a planet, such as the earth, in which the behaviour of charged particles is controlled by the planet's magnetic field

Derived forms of magnetosphere

magnetospheric (mæɡˌniːtəʊˈsfɛrɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for magnetosphere

magnetosphere

[ măg-nē′tō-sfîr′ ]

A highly asymmetrical region surrounding the Earth, beginning about 100 km (62 mi) above the surface on the side of the Earth facing the Sun and extending hundreds of thousands of kilometers into space on the opposite side. In this region the Earth's magnetic field exerts a significant influence on any charged particles that encounter it. The magnetosphere deflects most of the charged particles in the solar wind, but also traps and deflects some of these particles toward the Earth's magnetic poles, causing magnetic storms and auroras.

单词	magnetosphere
释义	magnetosphere [ mag-nee-tuh-sfeer ] / mægˈni təˌsfɪər / noun Astronomy. the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts.Compare magnetopause. such a region of another planet: Jupiter's magnetosphere. Origin of magnetosphere First recorded in 1955–60; magneto- + -sphere OTHER WORDS FROM magnetosphere mag·ne·to·spher·ic [mag-nee-tuh-sfer-ik], /mægˌni təˈsfɛr ɪk/, adjective Words nearby magnetosphere magnetopause, magnetoplasmadynamics, magnetoresistance, magnetorheology, magnetosheath, magnetosphere, magnetostatics, magnetostriction, magnetotail, magnetotaxis, magnetothermoelectricity Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for magnetosphere magnetosphere / (mæɡˈniːtəʊˌsfɪə) / noun the region surrounding a planet, such as the earth, in which the behaviour of charged particles is controlled by the planet's magnetic field Derived forms of magnetosphere magnetospheric (mæɡˌniːtəʊˈsfɛrɪk), adjective Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for magnetosphere magnetosphere [ măg-nē′tō-sfîr′ ] A highly asymmetrical region surrounding the Earth, beginning about 100 km (62 mi) above the surface on the side of the Earth facing the Sun and extending hundreds of thousands of kilometers into space on the opposite side. In this region the Earth's magnetic field exerts a significant influence on any charged particles that encounter it. The magnetosphere deflects most of the charged particles in the solar wind, but also traps and deflects some of these particles toward the Earth's magnetic poles, causing magnetic storms and auroras. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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