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n. Symbol Ar
A colorless, odorless, inert gaseous element constituting approximately one percent of the earth's atmosphere, from which it is commercially obtained by fractionation for use in electric light bulbs, fluorescent tubes, and radio vacuum tubes and as an inert gas shield in arc welding. Atomic number 18; atomic weight 39.948; melting point -189.36°C; boiling point -185.85°C. See Periodic Table.
[From Greek ārgon, neuter of ārgos, idle, inert : a-, without; see a-1 + ergon, work; see werg- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) 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
[C19: from Greek, from argos idle, inactive, from a-1 + ergon work]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a colorless, odorless, chemically inactive, monatomic, gaseous element that is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar; at. no.: 18; at. wt.: 39.948.
[1890–95; < Greek, neuter of argós inactive, idle, contraction of aergós]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Symbol Ar A colorless, odorless element that is a noble gas and makes up about one percent of the atmosphere. It is used in electric light bulbs, fluorescent tubes, and radio vacuum tubes. Atomic number 18. See Periodic Table.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||argon - a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere|
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
argonon, inert gas, noble gas - any of the chemically inert gaseous elements of the helium group in the periodic table
air - a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
argon[ˈɑːgɒn] N → argón m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
argon[ˈɑːrgɒn] n → argon m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
n → Argon nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
argon[ˈɑːgɒn] n → argo
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
argonn argón m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.