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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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THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
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In the UK, COTTON CANDY is more commonly known as…
Words nearby coronium
coronavirus, coroner, coronet, coroneted, coronitis, coronium, coronograph, Corot, corotate, co-routine, corozo
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023