noun
argon
AHR-gon
noun
1
A colourless, odourless chemical element (symbol Ar) that is an inert noble gas found in the atmosphere.
"Argon is often used to fill light bulbs because it doesn't react with the hot filament."
How to Use Argon
Learner’s notesIn plain EnglishA gas in the air that doesn't easily combine with other elements.
Common pairings
argon gas
argon laser
Word Forms
argons plural
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_____ is often used to fill light bulbs because it doesn't react with the hot filament.
Etymology
From Greek argos, "idle, lazy," chosen because the gas barely reacts with anything else.