co·​ro·​ni·​um | \ kəˈrōnēəm \
plural -s

Definition of coronium

: a hypothetical chemical element thought to have been detected in the solar corona whose spectrum showed a number of lines later identified as belonging to iron, nickel, and other elements highly ionized at the extreme solar temperatures

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History and Etymology for coronium

New Latin, from Latin corona + New Latin -ium

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Cite this Entry

“Coronium.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2020.

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