ar•go•non
We found 2 definitions of argonon from 2 different sources.
Noun |
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argonon - any of the chemically inert gaseous elements of the helium group in the periodic table | ||
noble gas, inert gas | ||
chemical element, element the most favorable environment for a plant or animal; "water is the element of fishes" | ||
gas the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container | ||
argon, atomic number 18, ar a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere | ||
atomic number 2, helium, he a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas) | ||
atomic number 36, krypton, kr a colorless element that is one of the six inert gasses; occurs in trace amounts in air | ||
atomic number 10, neon, ne a colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts | ||
atomic number 86, radon, rn a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health |