another term for noble gas.
More example sentences
- The low reactivity of the rare gases is due to the arrangement of electrons in the rare gas atoms.
- These elements have been known as the rare gases, but some of them are not especially rare.
- Both utilize large, long-lived, and relatively expensive bulbs filled with various combinations of rare gases and a remote ballast.
More definitions of rare gasDefinition of rare gas in:
- The US English dictionary