argon

باللغة العربية: أَرْجُون m or أُرْجُون، أَرْغُون، آرْغُون

1. The 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. (countable, uncountable)
2. An atom of this element. (countable)

الجمع argons