| OPA | having a play of lustrous rainbow-like colors |
|---|---|
| OPA | having a play of lustrous rainbow-like colors |
| OPA | replace or convert into opal |
| OPA | make opalescent |
| OPA | replace or convert into opal |
| OPA | make opalescent |
| OPA | not clear |
| OPA | not clearly understood or expressed |
| OPA | a gemstone that is opaque |
| OPA | in an opaque manner |
| OPA | the quality of being opaque to a degree |
| OPA | incomprehensibility resulting from obscurity of meaning |