L-line

[ el-lahyn ]
/ ˈɛlˌlaɪn /

noun Physics.

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.

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Origin of L-line

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020