资料来源 : pyDict

单母音

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Monophthong \Mon"oph*thong\, n. [Gr. ? with one sound; mo`nos
   alone + ? sound, voice.]
   1. A single uncompounded vowel sound.

   2. A combination of two written vowels pronounced as one; a
      digraph.