Luminal



[loo-muh-nl] /ˈlu mə nl/

Pharmacology, Trademark.
1.
a brand of .
n.

trade name of phenobarbitone, used as a sedative and hypnotic, coined 1912 in German from Latin lumen “light,” related to lucere “to shine” (see light (n.)), + -al (3), “the root here being used, very irregularly, as an equivalent of pheno- [Flood].
adj.

“of or pertaining to a lumen,” 1897, with -al (1).

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  • Luminance

    [loo-muh-nuh ns] /ˈlu mə nəns/ noun 1. the state or quality of being . 2. Also called luminosity. the quality or condition of radiating or reflecting light: the blinding luminance of the sun. 3. Optics. the quantitative measure of brightness of a light source or an illuminated surface, equal to per unit solid angle emitted […]

  • Luminaries

    [loo-muh-ner-ee] /ˈlu məˌnɛr i/ noun, plural luminaries. 1. a celestial body, as the sun or moon. 2. a body, object, etc., that gives light. 3. a person who has attained eminence in his or her field or is an inspiration to others: one of the luminaries in the field of medical science. adjective 4. of, […]



  • Luminary

    [loo-muh-ner-ee] /ˈlu məˌnɛr i/ noun, plural luminaries. 1. a celestial body, as the sun or moon. 2. a body, object, etc., that gives light. 3. a person who has attained eminence in his or her field or is an inspiration to others: one of the luminaries in the field of medical science. adjective 4. of, […]

  • Luminate

    v. 1620s (now obsolete), from Latin luminatus, past participle of luminare (see luminary). Related: Luminated; luminating.



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