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K-radiation

[key-rey-dee-ey-shuh n]
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noun Physics.
  1. See under K-line.
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K-line

[key-lahyn]
noun Physics.
  1. one of a series of lines (K-series) in the x-ray spectrum of an atom corresponding to radiation (K-radiation) produced by the transition of an electron to the K-shell.
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Origin of K-line

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018