hydrangeaceae hydrangea petiolaris • hydrangeaceous · · · Info · Definitions · Characters · · hydrangeaceae · · Text Latin · · Script 13 · · Length 4 · · Syllables Definitions · · · (noun) sometimes included in the family Saxifragaceae. Synonyms: Hydrangeaceae, family Hydrangeaceae, hydrangea family. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 n latin small letter n U+006E r latin small letter r U+0072 y latin small letter y U+0079