krypton
[ krip-ton ]
/ ˈkrɪp tɒn /
noun Chemistry.
an inert, monatomic gaseous element, present in very small amounts in the atmosphere: used in high-power, tungsten-filament light bulbs. Symbol: Kr; atomic weight: 83.80; atomic number: 36.
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Origin of krypton
Words nearby krypton
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for krypton
In Earth One, a revenge-thirsty alien named Tyrell comes to Earth to kill the last son of Krypton.
‘Man of Steel’ Is Fun to Watch, But It’s Still a Failure. Here’s Why.|Sujay Kumar|June 15, 2013|DAILY BEASTSince Krypton is dying, Jor-El plots to send his newborn to a far-off planet and settles on earth.
‘Man of Steel,’ New Superman Movie Starring Henry Cavill, Falls Flat|Marlow Stern|June 11, 2013|DAILY BEASTThe evidence for the existence of krypton and xenon is, however, inconclusive.
Astronomical Curiosities|J. Ellard GoreThe remaining elements of this group—neon, krypton, and xenon—have been obtained from liquid air.
An Elementary Study of Chemistry|William McPherson
British Dictionary definitions for krypton
krypton
/ (ˈkrɪptɒn) /
noun
an inert gaseous element occurring in trace amounts in air and used in fluorescent lights and lasers. Symbol: Kr; atomic no: 36; atomic wt: 83.80; valency: 0; density: 3.733 kg/m³; melting pt: –157.37°C; boiling pt: –153.23±0.10°C
Word Origin for krypton
C19: from Greek, from kruptos hidden; see crypt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for krypton
krypton
[ krĭp′tŏn′ ]
n. Symbol Kr
A largely inert gaseous element used in gas fluorescent lamps, whose artificial radioisotope is used in diagnostic imaging. Atomic number 36.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for krypton
krypton
[ krĭp′tŏn′ ]
Kr
A colorless, odorless element in the noble gas group. It is used in certain fluorescent lamps and photographic flash lamps. Atomic number 36; atomic weight 83.80; melting point -156.6°C; boiling point -152.30°C; density 3.73 grams per liter (0°C). See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.