1 nonluminous | Definition of nonluminous
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nonluminous

adjective
non·​lu·​mi·​nous | \ ËŒnän-ˈlü-mÉ™-nÉ™s 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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nonluminous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nonluminous

1825, in the meaning defined above

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