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Meaning of diphthongize

diph•thong•ize

Pronunciation: (dif'thông-īz", -gīz", -thong-, dip'-), [key]
— v., -ized, -iz•ing.
—v.t.
  1. to change into or pronounce as a diphthong.
—v.i.
  1. to become a diphthong.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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