Zeeman effect

noun Physics, Optics.

the dividing of a spectral line or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect ) in systems for which the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect ) in systems for which the spin quantum number is not zero.

Also called Zeeman splitting.

Compare Paschen-Back effect.

Origin of Zeeman effect

First recorded in 1895–1900; named after P. Zeeman

Words nearby Zeeman effect

zee, Zeebrugge, Zeeland, Zeelander, Zeeman, Zeeman effect, Zeffirelli, ZEG, zein, Zeis gland, Zeist

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

British Dictionary definitions for Zeeman effect

Zeeman effect

/ (ˈziːmən) /

noun

the splitting of a spectral line of a substance into several closely spaced lines when the substance is placed in a magnetic field

Word Origin for Zeeman effect

C20: named after Pieter Zeeman (1865–1943), Dutch physicist

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 Zeeman effect

Zeeman effect

The splitting of single spectral lines of an emission or absorption spectrum of a substance into three or more components when the substance is placed in a magnetic field. The effect occurs when several electron orbitals in the same shell, which normally have the same energy level, have different energies due to their different orientations in the magnetic field. A normal Zeeman effect is observed when a spectral line of an atom splits into three lines under a magnetic field. An anomalous Zeeman effect is observed if the spectral line splits into more than three lines. Astronomers can use the Zeeman effect to measure magnetic fields of stars. Compare Stark effect.

单词	zeeman effect
释义	Zeeman effect noun Physics, Optics. the dividing of a spectral line or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect ) in systems for which the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect ) in systems for which the spin quantum number is not zero. Also called Zeeman splitting. Compare Paschen-Back effect. Origin of Zeeman effect First recorded in 1895–1900; named after P. Zeeman Words nearby Zeeman effect zee, Zeebrugge, Zeeland, Zeelander, Zeeman, Zeeman effect, Zeffirelli, ZEG, zein, Zeis gland, Zeist Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Zeeman effect Zeeman effect / (ˈziːmən) / noun the splitting of a spectral line of a substance into several closely spaced lines when the substance is placed in a magnetic field Word Origin for Zeeman effect C20: named after Pieter Zeeman (1865–1943), Dutch physicist 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 Zeeman effect Zeeman effect The splitting of single spectral lines of an emission or absorption spectrum of a substance into three or more components when the substance is placed in a magnetic field. The effect occurs when several electron orbitals in the same shell, which normally have the same energy level, have different energies due to their different orientations in the magnetic field. A normal Zeeman effect is observed when a spectral line of an atom splits into three lines under a magnetic field. An anomalous Zeeman effect is observed if the spectral line splits into more than three lines. Astronomers can use the Zeeman effect to measure magnetic fields of stars. Compare Stark effect. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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