noun
krypton
KRIP-tahn/ˈkrɪptɑːn/
A colorless noble-gas chemical element.
The sealed ampoule contains colorless krypton gas, identified by its chemical symbol.
Etymology
Greek kryptos means hidden. The discoverers chose this name because the gas had remained undiscovered for so long and was difficult to find.
In context
a small amount of radioactive krypton gas inadvertently escaped from TMI into the atmosphere in small quantities Krypton is routinely discharged from operating plants
More examples
- Krypton makes up only a tiny fraction of Earth's atmosphere.
- The chemical symbol for krypton is Kr.
- Like other noble gases, krypton rarely reacts with other elements.