coronium
[ kuh-roh-nee-uhm ]
/ kəˈroʊ ni əm /
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noun Astronomy.
a hypothetical element once thought to exist because certain spectral lines in the emission spectrum of the solar corona could not be identified by known elements. These lines were subsequently found to be emitted by certain highly ionized metals.
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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Words nearby coronium
coronavirus, coroner, coronet, coroneted, coronitis, coronium, coronograph, coronoidectomy, coronoid fossa, coronoid process, coroplasty
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021