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Krypton
//ˈkɹɪptɒn// name, noun
Definitions
Proper Noun
- 1 A fictional planet, the native world of Superman, named after the element krypton.
Noun
- 1 The chemical element (symbol Kr) with an atomic number of 36. It is a colourless, odourless noble gas that only reacts with fluorine. It is one of the rarest gases in the Earth's atmosphere. uncountable
- 2 a colorless element that is one of the six inert gasses; occurs in trace amounts in air wordnet
- 3 An atom of this element. countable
Etymology
From Ancient Greek κρυπτός (kruptós, “hidden”) + -on, used for all noble gases.
See also for "krypton"
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