geocoronium

释义与例句

n.
  1. 1.

    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.

    废旧 不可数 气象

词源

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

来源：wiktionary