WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. krypton, Kr, atomic number 36, chemical element, element, noble gas, inert gas, argonon
- usage: a colorless element that is one of the six inert gasses; occurs in trace amounts in air
- 2. Khmer Rouge, KR, Party of Democratic Kampuchea, Communist Party of Kampuchea
- usage: a communist organization formed in Cambodia in 1970; became a terrorist organization in 1975 when it captured Phnom Penh and created a government that killed an estimated three million people; was defeated by Vietnamese troops but remained active until 1999
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See also: kr (Dictionary)