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 per unit projected area of the source or surface.
/ˈluːmɪnəns/
noun
1.
a state or quality of radiating or reflecting light
2.
a measure (in candelas per square metre) of the brightness of a point on a surface that is radiating or reflecting light. It is the luminous intensity in a given direction of a small element of surface area divided by the orthogonal projection of this area onto a plane at right angles to the direction L
n.

“luminousness,” 1862, from Latin luminantem (nominative luminans), present participle of luminare (see luminary).
luminance
(l’mə-nəns)
The luminous intensity of a light source per unit area. Occasionally the lambert unit is used to measure luminance. Also called photometric brightness.

brightness

Tagged:

Read Also:

  • 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.

  • Lumined

    [loo-muh-nes] /ˌlu məˈnɛs/ verb (used without object), luminesced, luminescing. 1. to exhibit . /ˌluːmɪˈnɛs/ verb 1. (intransitive) to exhibit luminescence



Disclaimer: Luminance definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.