coronium
A supposed chemical element, hypothesized in the 19th century in order to explain a…A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).
Meaning
1 senses(historical, uncountable)A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).
Origin
From corona + -ium, coined by a certain A. Gruenwald.From corona + -ium, coined by a certain A. Gruenwald.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable