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 element table
Recent Examples of argon from the Web
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.
Most signs today are actually filled with argon gas, which is more versatile — but the iconic vivid red color is all neon.
Nitrogen or argon, which are inert gases, are two possibilities.
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Origin and Etymology of argon
Greek, neuter of argos idle, lazy, from a- + ergon work; from its relative inertness — more at work
First Known Use: 1894
ARGON Defined for English Language Learners
Definition of argon for English Language Learners
: a chemical element that is a colorless gas and that is used in various products (such as lasers and some electric light bulbs)
Seen and Heard
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