/ Dictionary / Index K K-line: Meaning and Definition of Find definitions for: K-line Pronunciation: (kā'līn"), [key] one of a series of linesin the x-ray spectrum of an atom corresponding to radiationproduced by the transition of an electron to the K-shell. Kline Pronunciation: (klīn), [key] (Jo&syl;sef&hasp;)1910–62, U.S. painter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: k-line (Thesaurus) Klimt Klinefelter's syndrome Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language