Ultraluminous

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Very luminous not-comparable
  2. 2
    Very luminous; Very luminous, though less luminous than that classified as hyperluminous. not-comparable
  3. 3
    Having a luminosity near below, at, or, exceeding Eddington luminosity, exceeding the Eddington limit not-comparable

Etymology

From ultra- + luminous.

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