Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
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).
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From corona + -ium, coined by a certain A. Gruenwald.
