See Also: argon(medicine)
argon(dictionary)
argon(encyclopedia)
argon(dictionary)
Argon laser(health)
potassium-argon dating(encyclopedia)

argon (oh)



[Date: 1800-1900; Language: Greek; Origin: argos 'lazy'; because it does not react chemically]
a colourless gas that is found in very small quantities in the air and is sometimes used in electric light bulbs . It is a chemical element : symbol Ar