dien bien phu die mold • diencephalic · · · Info · Definitions · Characters · · dien bien phu · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) the French military base fell after a siege by Vietnam troops that lasted 56 days; ended the involvement of France in Indochina in 1954. Synonyms: Dien Bien Phu. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 u latin small letter u U+0075