| Word | Definitions | Synonyms |
|---|---|---|
| opacify | (verb) become opaque | - |
| (verb) make opaque | - | |
| opalesce | (verb) exhibit a play of colors like that of an opal | - |
| (verb) reflect light or colors like an opal | - | |
| opalise | (verb) replace or convert into opal | Synonyms: opalize |
| (verb) make opalescent | Synonyms: opalize | |
| opalize | (verb) replace or convert into opal | Synonyms: opalise |
| (verb) make opalescent | Synonyms: opalise |