Table of Contents
Synonyms
Antonyms
1. argonon
noun. any of the chemically inert gaseous elements of the helium group in the periodic table.
Synonyms
- Kr
- Ar
- inert gas
- Xe
- atomic number 2
- helium
- He
- atomic number 54
- atomic number 10
- Rn
- element
- chemical element
- neon
- atomic number 18
- xenon
- radon
- gas
- noble gas
- krypton
- atomic number 86
- Ne
- atomic number 36
Antonyms
- curve
- understate
- leaded gasoline
- unleaded gasoline