opal opah • opal blue · · · Info · Definitions · Characters · · opal · · Text Latin · · Script 4 · · Length 2 · · Syllables Definitions · · · (noun) a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones. · · Noun Definition 1 Characters · · a latin small letter a U+0061 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070