nebulium

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

nebula +‎ -ium

Noun[edit]

nebulium (uncountable)

  1. (astronomy, physics, obsolete) A supposed chemical element proposed as a result of spectral analysis of light from a nebula; the emission lines concerned are now known to be due to doubly-ionized oxygen.

Coordinate terms[edit]

Translations[edit]