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

1 sense of krypton

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)