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单词 nebulium
释义

nebulium

[ nuh-byoo-lee-uhm ]
/ nəˈbyu li əm /

noun Astronomy.

a hypothetical element once thought to be present in emission nebulae because of certain unidentified spectral lines, now known to be forbidden transitions of oxygen and nitrogen ions.

Origin of nebulium

First recorded in 1895–1900; nebul(a) + -ium

Words nearby nebulium

nebris, Nebuchadnezzar, nebula, nebular hypothesis, nebulated, nebulium, nebulize, nebulizer, nebulose, nebulosity, nebulosus
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for nebulium

  • The whole thing aglow with the green light of nebulium and blazing with the stars behind it.

    Out Around Rigel|Robert H. Wilson
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更新时间:2024/9/22 4:35:35