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argon
nounmasculinetechnicalcommon/ɐɾˈɡɔ̃/ár·gon
Definition
1A chemical element, a noble and inert gas, with symbol Ar and atomic number 18, used in lamps and lasers.
Usage examples
“Argon is the third most abundant gas in the Earth's atmosphere.”
“This fluorescent lamp is filled with argon.”
Common combinations
argon gasargon lampargon laser