What does "nebulium" mean?

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.

What is a synonym for "nebulium"?

Common synonyms include: coronium, geocoronium.

Nebulium

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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. obsolete, uncountable

Synonyms

All synonyms

coronium geocoronium

Etymology

From nebula + -ium.

Related phrases

chemical element

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.