L-radiation

[ el-rey-dee-ey-shuh n ]
/ ˈɛlˌreɪ diˌeɪ ʃən /

noun Physics.

See under L-line.

Definition for l-radiation (2 of 2)

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.

Origin of L-line

First recorded in 1965–70