London School of Economics
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[el-seer-eez] /ˈɛlˌsɪər iz/ noun, Physics. 1. See under . [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.
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