Meaning of nebulium | Babel Free
Definitions
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
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.