bone ash bone age • bone-ash cup · · · Info · Definitions · Characters · · bone ash · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) ash left when bones burn; high in calcium phosphate; used as fertilizer and in bone china. Synonyms: bone ash. · · 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 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073