geocoronium

English

Etymology

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

Noun

geocoronium (uncountable)

1. (geophysics, meteorology, obsolete) 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.

Coordinate terms

• coronium
• nebulium

Related terms

• coronium
• geocorona
• corona

See also

• aurora