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ENGLISH · A WORD WITH POSSIBILITIES

ultraluminous.

Very luminous

13 characters5 syllables approx.English language

Meaning & usage

adj
  1. Very luminous

    not-comparable
  2. Very luminous Very luminous, though less luminous than that classified as hyperluminous.

    not-comparable
  3. Having a luminosity near below, at, or, exceeding Eddington luminosity, exceeding the Eddington limit

    not-comparable
Where this word comes from

From ultra- + luminous.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.