kryp·ton (kr p t n )n. Symbol Kr A whitish, largely inert gaseous element used chiefly in gas discharge lamps and fluorescent 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 Table at element. [Greek krupton, neuter of kruptos, hidden (from its rarity), from kruptein, to hide.] |
krypton [ˈkrɪptɒn]
n
(Chemistry / Elements & Compounds) 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
[from Greek, from kruptos hidden; see crypt]
| krypton (krptn) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  krypton - a colorless element that is one of the six inert gasses; occurs in trace amounts in airchemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter argonon, inert gas, noble gas - any of the chemically inert gaseous elements of the helium group in the periodic table air - a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air" |
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