多音节字
Polysyllable \Pol"y*syl`la*ble\, n. [Poly- + syllable.] A word of many syllables, or consisting of more syllables than three; -- words of less than four syllables being called {monosyllables}, {dissyllables}, and {trisyllables}.
polysyllable n : a word of more than three syllables [syn: {polysyllabic word}]