krypton

noun
kryp·​ton | \ˈkrip-ˌtän \

Definition of krypton 

: a colorless relatively inert gaseous element found in air in trace amounts and used especially in electric lamps — see Chemical Elements Table

Examples of krypton in a Sentence

Recent Examples on the Web

But Hahn and Strassmann knew nothing about krypton. Jeremy Bernstein, WSJ, "Review: Enrico Fermi, ‘The Last Man Who Knew Everything’," 15 Dec. 2017 The new model suggests our home planet contains significantly more sodium, potassium, chlorine, zinc, strontium, fluorine, gallium, rubidium, niobium, gadolinium, tantalum, helium, argon, and krypton than previously believed. Jay Bennett, Popular Mechanics, "Scientists Create Most Accurate Estimate of Earth's Composition," 18 Sep. 2017 Alas, the fuddy-duddies of international mineral nomenclature insist that, since the stone doesn’t actually contain the real-world element krypton, it can’t be officially called kryptonite. Brandon Keim, WIRED, "Kryptonite Is Real," 24 Apr. 2007

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'krypton.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of krypton

1898, in the meaning defined above

History and Etymology for krypton

Greek, neuter of kryptos hidden — more at crypt

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Dictionary Entries near krypton

kryokonite

kryolite

krypt-

krypton

kryptonite

Kryvyy Rih

KS

Statistics for krypton

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Time Traveler for krypton

The first known use of krypton was in 1898

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More Definitions for krypton

krypton

noun

English Language Learners Definition of krypton

: a chemical element that is a colorless gas and that is used especially in electric lights

krypton

noun
kryp·​ton | \ˈkrip-ˌtän \

Medical Definition of krypton 

: a colorless relatively inert gaseous element found in air at about one part per million symbol Kr — see Chemical Elements Table

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