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argon
[ ahr-gon ]
/ ˈɑr gɒn /
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noun Chemistry.
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.
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Origin of argon
1890–95; <Greek, neuter of argós inactive, not working, idle, contraction of aergós equivalent to a-a-6 + érg(on) work + -os adj. suffix
Words nearby argon
Argive, argle-bargle, Argo, argol, Argolis, argon, Argonaut, Argonauts, Argonne, Argonne Forest, argonon
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use argon in a sentence
British Dictionary definitions for argon
argon
/ (ˈɑːɡɒn) /
noun
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
Word Origin for argon
C19: from Greek, from argos idle, inactive, from a- 1 + ergon work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for argon
argon
[ är′gŏn′ ]
Ar
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. See Periodic Table.
The American Heritage® Science Dictionary
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