Definition of nebulium in English:

nebulium

noun nɛˈbjuːlɪəm

Chemistry historical

A hypothetical chemical element proposed in the 1860s to explain certain lines in the spectra of nebulae, later discovered to arise from forbidden transitions in oxygen and nitrogen ions.
as modifier nebulium lines
Example sentencesExamples
- They called this unknown ‘new’ element nebulium, but modern astronomy has since shown it to be a rare form of superheated oxygen.
- Coronium and nebulium were both, in the event, figments of the astronomers' imaginations.
- And, in the twentieth century, we learned that nebulium was actually ionized oxygen and nitrogen.
- He proposed that a new and unknown element, ‘nebulium’, was responsible for these lines.
- The hypothetical nebulium was simply the signature of ordinary oxygen doing extraordinary things.

Origin

Late 19th century: from nebula + -ium.

Definition of nebulium in US English:

nebulium

nounnəˈbyo͞olēəm

Chemistry historical

A hypothetical chemical element proposed in the 1860s to explain certain lines in the spectra of nebulae, later discovered to arise from forbidden transitions in oxygen and nitrogen ions.
as modifier nebulium lines
Example sentencesExamples
- Coronium and nebulium were both, in the event, figments of the astronomers' imaginations.
- And, in the twentieth century, we learned that nebulium was actually ionized oxygen and nitrogen.
- He proposed that a new and unknown element, ‘nebulium’, was responsible for these lines.
- The hypothetical nebulium was simply the signature of ordinary oxygen doing extraordinary things.
- They called this unknown ‘new’ element nebulium, but modern astronomy has since shown it to be a rare form of superheated oxygen.

Origin

Late 19th century: from nebula + -ium.

词汇	nebulium
释义	Definition of nebulium in English: nebulium noun nɛˈbjuːlɪəm Chemistry historical A hypothetical chemical element proposed in the 1860s to explain certain lines in the spectra of nebulae, later discovered to arise from forbidden transitions in oxygen and nitrogen ions. as modifier nebulium lines Example sentencesExamples They called this unknown ‘new’ element nebulium, but modern astronomy has since shown it to be a rare form of superheated oxygen. Coronium and nebulium were both, in the event, figments of the astronomers' imaginations. And, in the twentieth century, we learned that nebulium was actually ionized oxygen and nitrogen. He proposed that a new and unknown element, ‘nebulium’, was responsible for these lines. The hypothetical nebulium was simply the signature of ordinary oxygen doing extraordinary things. Origin Late 19th century: from nebula + -ium. Definition of nebulium in US English: nebulium nounnəˈbyo͞olēəm Chemistry historical A hypothetical chemical element proposed in the 1860s to explain certain lines in the spectra of nebulae, later discovered to arise from forbidden transitions in oxygen and nitrogen ions. as modifier nebulium lines Example sentencesExamples Coronium and nebulium were both, in the event, figments of the astronomers' imaginations. And, in the twentieth century, we learned that nebulium was actually ionized oxygen and nitrogen. He proposed that a new and unknown element, ‘nebulium’, was responsible for these lines. The hypothetical nebulium was simply the signature of ordinary oxygen doing extraordinary things. They called this unknown ‘new’ element nebulium, but modern astronomy has since shown it to be a rare form of superheated oxygen. Origin Late 19th century: from nebula + -ium.
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