L-series

[el-seer-eez]

noun Physics.

See under L-line.

L-line

[el-lahyn]

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.

Origin of L-line

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019