| Word | Definitions | Synonyms |
|---|---|---|
| opacification | (noun) the process of becoming cloudy or opaque | - |
| opacify | (verb) become opaque | - |
| (verb) make opaque | - | |
| opacity | (noun) the quality of being opaque to a degree; the degree to which something reduces the passage of light | Synonyms: opaqueness |
| (noun) incomprehensibility resulting from obscurity of meaning | Synonyms: opaqueness | |
| (noun) the phenomenon of not permitting the passage of electromagnetic radiation | - |