opaqueness has definitions from the field of physics
1
[ noun ] incomprehensibility resulting from obscurity of meaning

Synonyms

opacity

Related terms

incomprehensibility

2
[ noun ] (physics) the phenomenon of not permitting the passage of electromagnetic radiation

Synonyms

opacity

3
[ noun ] the quality of being opaque to a degree; the degree to which something reduces the passage of light

Synonyms

opacity

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