"opacity" | Definition and Related Words

Noun

The phenomenon of not permitting the passage of electromagnetic radiation (synset 111510458)
is a type of: physical phenomenon - a natural phenomenon involving the physical properties of matter and energy
subtypes:
- optical opacity - opacity to light
- radio-opacity, radiopacity - opacity to X-rays or other radiation
Incomprehensibility resulting from obscurity of meaning (synset 104830489)
is a type of: incomprehensibility - the quality of being incomprehensible

same as: opaqueness
The quality of being opaque to a degree;
The degree to which something reduces the passage of light (synset 104710772)
tells us about: opaque - not transmitting or reflecting light or radiant energy; impenetrable to sight

is a type of: quality - an essential and distinguishing attribute of something or someone
subtypes:
- cloudiness, muddiness, murkiness - the quality of being cloudy
- blurriness, fogginess, fuzziness, indistinctness, softness - the quality of being indistinct and without sharp outlines
same as: opaqueness