argon
or gon
- n a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
- In addition to the argon that resulted from potassium decay, Schaeffer found an abundance of solar argonand of helium and neonthat has collected during eons of bombardment by .
- Luckily, the fossils were trapped in sediments that were sandwiched between layers of volcanic ash, whose age can be accurately gauged by a technique known as argon-argon dating.
- For 13 weeks the chosen wheat of California saw the light of twelve argon-filled lamps, 300-candlepower each.