Argon - Definition
argon
n 1: a colorless and odorless inert gas; one of the six inert
gases; comprises approximately 1% of the earth's atmosphere
[syn: argon, Ar, atomic number 18]
n 1: a colorless and odorless inert gas; one of the six inert
gases; comprises approximately 1% of the earth's atmosphere
[syn: argon, Ar, atomic number 18]