English

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English Wikipedia has an article on:
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Etymology

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From corona +‎ -ium, coined by a certain A. Gruenwald.

Noun

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coronium (uncountable)

  1. (historical) 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).

Coordinate terms

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Dutch

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Etymology

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Borrowed from English coronium, coined by a certain A. Gruenwald. Equivalent corona +‎ -ium.

Pronunciation

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  • IPA(key): /ˌkoːˈroː.ni.ʏm/
  • Hyphenation: co‧ro‧ni‧um
  • Rhymes: -oːniʏm

Noun

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coronium n (uncountable)

  1. (historical, astronomy, chemistry) coronium (obsolete chemical element, hypothesised to exist based on a green emission line)

Derived terms

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