[ em-rey-dee-ey-shuh n ]
/ ˈɛmˌreɪ diˌeɪ ʃən /
See under M-line.
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Definition for m-radiation (2 of 2)
[ em-lahyn ]
/ ˈɛmˌlaɪn /
one of a series of lines (M-series) in the x-ray spectrum of an atom corresponding to radiation (M-radiation) caused by the transition of an electron to the M-shell.
Origin of M-line
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019