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opacity
 
Noun opacity has 3 senses
  1. opacity - the phenomenon of not permitting the passage of electromagnetic radiation
    --1 is a kind of     physical phenomenon
    Antonyms: transparency, transparence
    --1 has particulars: optical opacity; radiopacity, radio-opacity
  2. opacity, opaqueness - incomprehensibility resulting from obscurity of meaning
    --2 is a kind of incomprehensibility
  3. opacity, opaqueness - the quality of being opaque to a degree; the degree to which something reduces the passage of light
    --3 is a kind of quality
    Antonyms: clearness, clarity, uncloudedness
    --3 has particulars:
     cloudiness, murkiness, muddiness; indistinctness, blurriness, fogginess, fuzziness
op op art opa opacification opacifications opacified opacifies opacify opacity opague opah opair opal opal glass opalesce opalescence opalescent-01

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