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coronium
[ kuh-roh-nee-uhm ]
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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Example Sentences
And the extreme strength of the lux metal fiber made it stronger, pound for pound, than steel or coronium.
From Project Gutenberg
I myself believe that they were probably solid—in a way of speaking—coronium.
From Project Gutenberg
The name “coronium” has therefore been given to the supposed gas which forms it.
From Project Gutenberg
The spectrum of the corona showed few bright lines besides those of coronium and hydrogen.
From Project Gutenberg
The slitless spectroscope showed the green line (coronium) and D3 (helium) in the coronal spectrum.
From Project Gutenberg
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