Antonyms of noun opacity

2 of 3 senses of opacity

Sense 1
opacity -- (the phenomenon of not permitting the passage of electromagnetic radiation)
       Antonym of transparency (Sense 1)
      => transparency, transparence -- (permitting the free passage of electromagnetic radiation)

Sense 3
opacity, opaqueness -- (the quality of being opaque to a degree; the degree to which something reduces the passage of light)
       Antonym of clarity (Sense 2)
      => clearness, clarity, uncloudedness -- (the quality of clear water; "when she awoke the clarity was back in her eyes")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun opacity

3 senses of opacity

Sense 1
opacity -- (the phenomenon of not permitting the passage of electromagnetic radiation)
       => physical phenomenon -- (a natural phenomenon involving the physical properties of matter and energy)

Sense 2
opacity, opaqueness -- (incomprehensibility resulting from obscurity of meaning)
       => incomprehensibility -- (the quality of being incomprehensible)

Sense 3
opacity, opaqueness -- (the quality of being opaque to a degree; the degree to which something reduces the passage of light)
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)