Meanings
adjectiveultraluminous (not comparable)
alternative ultra-luminous
- not comparableVery luminous
- not comparableastronomyVery luminous, though less luminous than that classified as hyperluminous.
- not comparableHaving a luminosity near below, at, or, exceeding Eddington luminosity, exceeding the Eddington limit
Origin
Cite this entry
APA
ultraluminous. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ultraluminous
MLA
“ultraluminous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultraluminous. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “ultraluminous,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ultraluminous.
Source: ultraluminous on Wiktionary, CC BY-SA 4.0.