onyx marble on to • o-o · · · Info · Definitions · Characters · · onyx marble · · Text Common · · Latin · · Scripts 11 · · Length Definitions · · · (noun) a hard compact kind of calcite. Synonyms: alabaster, oriental alabaster, Mexican onyx. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 x latin small letter x U+0078 y latin small letter y U+0079