kryptonnoun [ U ]
uk/ˈkrɪp.tɒn/us/ˈkrɪp.tɑːn/symbol Kra chemical element that is a gas that does not react with other elements and is used in some types of lights and lasers
Thesaurus: synonyms and related words
Chemical elements
- alkali metal
- antimony
- calcium
- carbonic
- carbonic acid
- cesium
- cl
- graphene
- lithium
- nickel
- plutonium
- quicksilver
- sodium
- strontium
- sulphur
- transition metal
- tungsten
- urea
- vanadium
- zinc
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