/ˈɑːɹɡɒn/
OriginFrom Ancient Greek ἀργός (argós, “idle, lazy”), because of its inertness, + -on, used for all noble gases.
- countable, uncountableThe chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas.
- countableA single atom of this element.
Formsargons(plural)