[el-seer-eez] /ˈɛlˌsɪər iz/
See under .
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.
line spread function
- L-shaped curve
noun 1. a curve on a graph that shows a sharp fall after which values remain low for a long period
[el-shel] /ˈɛlˌʃɛl/ noun, Physics. 1. the second shell of electrons surrounding the nucleus of an atom and containing, when filled, eight electrons having principal quantum number 2.