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argon
[ ahr-gon ]
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. : Ar; : 18; : 39.948.
argon
/ 藞蓱藧伞蓲苍 /
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/m鲁; freezing pt: 鈥189.3掳C; boiling pt: 鈥185.9掳C
argon
- 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 鈭189.2掳C; boiling point 鈭185.7掳C.
- See Periodic Table
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亚洲网紅露点 History and Origins
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亚洲网紅露点 History and Origins
Origin of argon1
C19: from Greek, from argos idle, inactive, from a- 1+ ergon work
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Example Sentences
Examples have not been reviewed.
These results agreed well with the Duisburg-Essen group's results that used argon and xenon ions.
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The telescope can also spot sulfur, calcium, argon, and others, depending on the source.
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Earth鈥檚 atmosphere is a blend of nitrogen, oxygen, argon and other gases.
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The observations also mark the first time a double ionization of argon has been detected in a planet-forming disk, the team writes in the paper.
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Spectral analysis of the results showed a strong signal due to ionized argon from the center of the ejected material that surrounds the original site of SN 1987A.
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