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.

Origin

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

Examples from the web for krypton

krypton isn't the only element to show up in the pages of comic books.
All of it was believed to be in the form of two relatively innocuous gases, xenon and krypton.

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

C19: from Greek, from kruptos hidden; see crypt

Word Origin and History for krypton

inert gaseous element, 1898, coined by its discoverers (Sir William Ramsay and Morris W. Travers) from Greek krypton, neuter of adjective kryptos "hidden" (see crypt); so called because it was so difficult to find.

krypton in Medicine

krypton kryp·ton (krĭp'tŏn')
n.
Symbol Kr
A largely inert gaseous element used in gas fluorescent lamps. Atomic number 36; atomic weight 83.80; melting point -157.4°C; boiling point -153.22°C; density 3.73 grams per liter (0°C).

krypton in Science

krypton

(krĭp'tŏn')
Symbol 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.

krypton in Technology

A frame language.
["An Essential Hybrid Reasoning System: Knowledge and Symbol Level Accounts of KRYPTON", R.J. Brachman et al, Proc IJCAI-85, 1985].