multiplet line


[muhl-tuh-plet, -plit]
noun Physics.
a group of several related spectral lines, usually of nearly the same wavelengths.
Also called multiplet line.

1920–25; multi- + (tri)plet Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
multiplet (ˈmʌltɪˌplɛt, -plɪt)
1.  a set of closely spaced lines in a spectrum, resulting from small differences between the energy levels of atoms or molecules
2.  a group of related elementary particles that differ only in electric charge
[from multiple; on the model of doublet]

Collins English Dictionary - Complete & Unabridged 10th Edition
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