Definition of argon
:a colorless odorless inert gaseous element found in the air and in volcanic gases and used especially in welding, lasers, and electric bulbs — see Chemical Elements Table
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Recent Examples of argon from the Web
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First, the researchers calculated the age of the rock samples, using a method that involves measuring the levels of various isotopes of argon gas.
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The plasma rocket, the Variable Specific Impulse Magnetoplasma Rocket (VASIMR), works by heating neon or argon gas to incredibly high temperatures using magnetic fields.
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Potts also noted that in east Africa, dating the argon in volcanic ash is preferred over thermoluminescence (but there is no ash in Morocco to measure).
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It is blamed for stripping away much of the Martian atmosphere and bombarding the surface of the moon with elements including helium, neon and argon.
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Most signs today are actually filled with argon gas, which is more versatile — but the iconic vivid red color is all neon.
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The gas canisters spread across the roadway contained oxygen, argon and acetylene, Jachles said.
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Nitrogen or argon, which are inert gases, are two possibilities.
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One polyp that acts like an air bladder is filled with gases—including carbon monoxide, oxygen, and argon—that keeps the animal afloat.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'argon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of argon
ARGON Defined for English Language Learners
argon
play
noun
Definition of argon for English Language Learners
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: a chemical element that is a colorless gas and that is used in various products (such as lasers and some electric light bulbs)
Medical Dictionary
argon
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noun
ar·gon
\
ˈär-ˌgän
\
medical Definition of argon
:a colorless odorless inert gaseous element found in the air and in volcanic gases and used especially in lasers and electric bulbs
—symbol Ar
— see Chemical Elements Table
Learn More about argon
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See words that rhyme with argon Spanish Central: Translation of argon Nglish: Translation of argon for Spanish speakers Britannica English: Translation of argon for Arabic speakers Britannica.com: Encyclopedia article about argon
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