krypton

[ krip-ton ]

nounChemistry.

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.

Origin of krypton

1895–1900; <Greek kryptón, neuter of kryptós hidden, secret; see crypt

Words Nearby krypton

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use krypton in a sentence

The final movie to star Christopher Reeve as Kal-El of krypton, Superman 4 is widely considered to be the worst of the classic Superman films.
How Supergirl Revamped Superman IV's Story And Made It Work | noreply@blogger.com (Unknown) | October 17, 2021 | TechCrunch
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 | THE DAILY BEAST
Since 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 | THE DAILY BEAST
The remaining elements of this group—neon, krypton, and xenon—have been obtained from liquid air.
An Elementary Study of Chemistry | William McPherson
The evidence for the existence of krypton and xenon is, however, inconclusive.
Astronomical Curiosities | J. Ellard Gore

The whole upper vault is charged with pale krypton vapours, which our skin friction may excite to unholy manifestations.
With The Night Mail | Rudyard Kipling

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

Origin of 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for krypton

krypton

[ krĭp′tŏn′ ]

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.

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