geocoronium

Questions

What does geocoronium mean?

A hypothetical gaseous chemical element proposed to explain certain spectroscopic lines, and the green glow, found in the polar aurorae, that was later found to be explained by singly-ionized oxygen.

Where does geocoronium come from?

From geo- + corona + -ium, coined by Alfred Wegener in 1911.

How to pronounce geocoronium

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