ALL meanings of argon
ar·gon
A a - uncountable noun argon Argon is an inert gas which exists in very small amounts in the atmosphere. It is used in electric lights. 3
- noun argon an extremely unreactive colourless odourless element of the rare gas series that forms almost 1 per cent (by volume) of the atmosphere. It is used in electric lights. Symbol: Ar; atomic no: 18; atomic wt: 39.948; density: 1.7837 kg/m3; freezing pt: –189.3°C; boiling pt: –185.9°C 3
- noun argon a colorless, odorless chemical element, one of the noble gases, constituting nearly 1% of the atmosphere: it is used in incandescent light bulbs, radio tubes, welding, etc.: symbol, Ar; at. no., 18 3
- noun argon The chemical element of atomic number 18, an inert gaseous element of the noble gas group. Argon is the most common noble gas, making up nearly one percent of the earth's atmosphere. 1
- noun argon a colorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar; atomic number: 18; atomic weight: 39.948. 1
- noun argon chemical element: gas 1
- noun argon A chemical element (symbol Ar) with an atomic number of 18. 0