Definition of krypton
: a colorless relatively inert gaseous element found in air in trace amounts and used especially in electric lamps — see element table
Recent Examples of krypton from the Web
Alas, the fuddy-duddies of international mineral nomenclature insist that, since the stone doesn’t actually contain the real-world element krypton, it can’t be officially called kryptonite.
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KRYPTON Defined for English Language Learners
Definition of krypton for English Language Learners
: a chemical element that is a colorless gas and that is used especially in electric lights
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