Definition of rare gas in English:
Another term for noble gas.
- 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.
Definition of rare gas in:
- US English dictionary
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