Allioniaceae Allionia • allision · · · Info · Definitions · Characters · · Allioniaceae · · Text Latin · · Script 12 · · Length Definitions · · · (noun) a family of flowering plants of the order Caryophyllales. Synonyms: Nyctaginaceae, family Nyctaginaceae, family Allioniaceae, four-o'clock family. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F