K-radiation

[key-rey-dee-ey-shuh n]

noun Physics.

See under K-line.

K-line

[key-lahyn]

noun Physics.

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.

Origin of K-line

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019