luminousness meaning

UK US

luminousness (noun): the quality of being luminous; emitting or reflecting light.

Definition of luminousness

  1. the quality of being luminous; emitting or reflecting light
    • its luminosity is measured relative to that of our sun

    Synonyms: luminosity, brightness, brightness level, luminance, light

    Type of: physical property

    Kinds: illuminance, incandescence, luminescence

    Related forms: bright

Word lists: words starting with LU · words ending in SS · 12-letter words

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