Definitions of isoluminant - OneLook Robert King Published Apr 07, 2026 Definitions from Wiktionary (isoluminant)▸ adjective: Equally luminant.equiluminant, equiluminescent, illumined, equitoxic, transilluminated, codominant, lit up, evenish, kindling, equidominant, more...▸ Words similar to isoluminant▸ Usage examples for isoluminant▸ Idioms related to isoluminant▸ Civic discussion about isoluminant (New!)▸ Popular nouns described by isoluminant▸ Words that often appear near isoluminant▸ Rhymes of isoluminant▸ Invented words related to isoluminant