Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun kr

2 senses of kr

Sense 1
krypton, Kr, atomic number 36 -- (a colorless element that is one of the six inert gasses; occurs in trace amounts in air)
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
       => noble gas, inert gas, argonon -- (any of the chemically inert gaseous elements of the helium group in the periodic table)

Sense 2
Khmer Rouge, KR, Party of Democratic Kampuchea, Communist Party of Kampuchea -- (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)
       INSTANCE OF=> terrorist organization, terrorist group, foreign terrorist organization, FTO -- (a political movement that uses terror as a weapon to achieve its goals)