LUMINOUSNESS

Pronunciation (US):

(GB):

 Dictionary entry overview: What does luminousness mean? 

• LUMINOUSNESS (noun)
  The noun LUMINOUSNESS has 1 sense:

1. the quality of being luminous; emitting or reflecting light

  Familiarity information: LUMINOUSNESS used as a noun is very rare.

 Dictionary entry details 

• LUMINOUSNESS (noun)

Sense 1

Meaning:

The quality of being luminous; emitting or reflecting light

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

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

Context example:

its luminosity is measured relative to that of our sun

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)