Word Study
zeeman effect
CIDE DICTIONARY
zeeman effect,
The widening and duplication, triplication, etc., of spectral lines when the radiations emanate in a strong magnetic field, first observed in 1896 by P. Zeeman , a Dutch physicist, and regarded as an important confirmation of the electromagnetic theory of light. [Webster 1913 Suppl.]
OXFORD DICTIONARY
zeeman effect, n. Physics the splitting of the spectrum line into several components by a magnetic field.
Etymology
P. Zeeman, Du. physicist d. 1943
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