Breadcrumb Home > Dictionary > Index K krypton: Meaning and Definition of Find definitions for: kryp•ton Pronunciation: (krip'ton), [key] — n. Chem. an inert, monatomic gaseous element, present in very small amounts in the atmosphere: used in high-power, tungsten-filament light bulbs. Symbol: Kr; at. wt.: 83.80; at. no.: 36. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: krypton (Thesaurus) kryo- KS TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: factotum Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language