phragmocone phragmites communis • phragmoconic · · · Info · Definitions · Synonyms · Characters · · phragmocone · · Text Latin · · Script 11 · · Length 3 · · Syllables Definitions · · · (noun) the thin conical chambered internal shell (either straight or curved) of a belemnite. Synonyms: phragmacone. · · Noun Definition 1 Synonyms · · · phragmacone · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072