Pronunciations (2)
-
/ˈkɹɪptɒn/
-
ˈkɹɪptɒn
Noun
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.
Usage- Uncountable
An atom of this element.
Usage- Countable
Noun
a colorless element that is one of the six inert gasses; occurs in trace amounts in air
- Synonyms