monophthongal

形容词 adj.
/ˌmɒn.əfˈθɒŋ.ɡəl/    /ˌmɑ.nəfˈθɑŋ.əl/|/ˌmɑ.nəfˈθɑŋ.ɡəl/

英文释义

形容词 adj.
  1. Of or pertaining to a monophthong. not-comparable
  2. Pronounced as a single vowel sound; said especially of a vowel that is also commonly pronounced as a diphthong. not-comparable

词源

From monophthong + -al.
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