from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not luminous.


from Wiktionary, Creative Commons Attribution/Share-Alike License

non- +‎ luminous


  • He created the Bunsen burner for use in flame tests of various metals and salts: its nonluminous flame did not interfere with the colored flame given off by the test material.

    Bunsen, Robert Wilhelm Eberhard

  • Finally, near the center, something nonluminous appeared in the star field, and soon its seven-sided shape was fuzzily evident.

    Chain of Attack

  • The four alien craft, still being tracked, were nonluminous dots, one in each quadrant of the screen.

    Chain of Attack

  • The second misrepresentation runs thus: -- 'The developments of electricity and the formation of stars and suns, luminous and nonluminous, moons and planets, with their rings, &c., is deduced, very much according to the nebular theory of Laplace, from the principle propounded above.'

    International Miscellany of Literature, Art and Science, Vol. 1, No. 3, Oct. 1, 1850

  • At such large distances, each of those clusters will likely appear as a single point of light, but O'Leary and Loeb suggest some distinguishing features that might aid in their identification, such as their high mass-to-light ratio, given the massive but nonluminous black hole at their center.

    Scientific American


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