argon

[ ahr-gon ]

noun

, Chemistry.

1. a colorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. : Ar; : 18; : 39.948.

argon

/ ˈɑːɡɒn /

noun

1. 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

argon

/ är′gŏn′ /

1. A colorless, odorless element in the noble gas group. Argon makes up about one percent of the atmosphere. It is used in electric light bulbs, fluorescent tubes, and radio vacuum tubes. Atomic number 18; atomic weight 39.948; melting point −189.2°C; boiling point −185.7°C.
2. See Periodic Table

Word History and Origins

Origin of argon¹

1890–95; < Greek, neuter of argós inactive, not working, idle, contraction of aergós equivalent to a- a- ⁶ + érg ( on ) work + -os adj. suffix

Word History and Origins

Origin of argon¹

C19: from Greek, from argos idle, inactive, from a- ¹+ ergon work

Example Sentences

The dog, now named Argon, was found on July 3 about 250 feet down the side of the road near the 500 block of North Malibu Canyon Road — roughly four miles away from the coast.

From Los Angeles Times

Volunteers say the dog, now named Argon, is around 7 years old and describe him as sweet and kind in spite of his ordeal.

From Los Angeles Times

A couple headed out to rock climb at a remote location found Argon on July 3 with zip-ties around his neck and snout.

From Los Angeles Times

Argon cautiously approached the climbers, who were able to coax him into letting them take the tie off his mouth before police and animal control arrived, according to In Defense of Animals.

From Los Angeles Times

Argon was found about 250 feet down the side of the road near the 500 block of North Malibu Canyon Road — roughly four miles away from the coast.

From Los Angeles Times