Library / English Dictionary

    LUMINOUSNESS

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    The quality of being luminous; emitting or reflecting lightplay

    Example:

    its luminosity is measured relative to that of our sun

    Synonyms:

    brightness; brightness level; light; luminance; luminosity; luminousness

    Classified under:

    Nouns denoting attributes of people and objects

    Hypernyms ("luminousness" is a kind of...):

    physical property (any property used to characterize matter and energy and their interactions)

    Attribute:

    bright (emitting or reflecting light readily or in large amounts)

    dull (emitting or reflecting very little light)

    Hyponyms (each of the following is a kind of "luminousness"):

    illuminance; illumination (the luminous flux incident on a unit area)

    incandescence (light from heat)

    glow; luminescence (light from nonthermal sources)

    Derivation:

    bright (made smooth and bright by or as if by rubbing; reflecting a sheen or glow)

    Credits


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