Dictionary
diphthongize
verb diph·thong·ize \ˈdif-ˌthȯŋ-ˌīz, ˈdip-\
diph·thong·izeddiph·thong·iz·ing
Definition of DIPHTHONGIZE
intransitive verb
of a simple vowel : to change into a diphthong
transitive verb
: to pronounce as a diphthong
— diph·thong·i·za·tion \(ˌ)dif-ˌthȯŋ-ə-ˈzā-shən, (ˌ)dip-\ noun
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First Known Use of DIPHTHONGIZE
1867
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