Kr
1
7.0
A chemical symbol for the colorless, odorless gas krypton found in air
- noun
- Specialized
:
Kr
- Krypton, with the chemical symbol Kr, is commonly used in high-performance lighting systems.
Examples
-
Posted by: kr at April 25, 2004 12:01 PM
Blog text (5) -
The inert gas Kr is found in very small amounts in the Earth's atmosphere.
-
Scientists studied Kr to understand its effects when mixed with other noble gases.
Synonyms
3
7.5
A rare colorless, odorless gas used in lights and cameras
is the two-letter chemical symbol used to represent that element
Surface Forms
Kr singular
Etymology
Kr is the chemical symbol for the element krypton, and the name krypton comes from the Greek word kryptos, which means 'hidden'. Thinking of 'hidden' — and of familiar words like cryptic — helps you remember that Kr stands for a rare, invisible gas that was hard to find in the air.