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nonluminous

adjective
non·​lu·​mi·​nous | \ ˌnän-ˈlü-mə-nəs How to pronounce nonluminous (audio) \

Definition of nonluminous

: not emitting light : not luminous The results also suggest this galaxy contains a substantial amount of nonluminous matter.— I. Peterson a nonluminous celestial body

Examples of nonluminous in a Sentence

Recent Examples on the Web

 Ninety-five percent of all stuff takes mysterious, nonluminous forms dubbed dark matter and dark energy, which betray their presence in the cosmos by attracting and repulsing, respectively, the 5 percent of stuff that’s visible. — Quanta Magazine, "An Astrophysicist Who Maps the Universe’s Terra Incognita," 4 Feb. 2019

First Known Use of nonluminous

1825, in the meaning defined above

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