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L-series

[el-seer-eez] /ˈɛlˌsɪər iz/
noun, Physics.
1.
See under L-line.

L-line

[el-lahyn] /ˈɛlˌlaɪn/
noun, Physics.
1.
one of a series of lines (L-series) in the x-ray spectrum of an atom corresponding to radiation (L-radiation) caused by the transition of an electron to the L-shell.
Origin
1965-1970
1965-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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