Definition of xenon
: a heavy colorless and relatively inert gaseous element that occurs in air as about one part in 20 million and is used especially in specialized electric lamps (such as flashtubes) and in scientific research — see element table
Recent Examples of xenon from the Web
The idea is that a dark matter particle might whoosh by a xenon atom, knocking off an electron, which LUX would detect as an increase in charge.
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Origin and Etymology of xenon
Greek, neuter of xenos strange
First Known Use: 1898
XENON Defined for English Language Learners
Definition of xenon for English Language Learners
: a chemical element that is a colorless gas and that is used especially in electric lights
Seen and Heard
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