v.
Pronunciation: ' dif- ˌ tho ̇ ŋ - ˌ ī z, ' dip-
Function: verb
Inflected Form: -ized ; -iz · ing
Date: 1867
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- ˌ tho ̇ ŋ - ə - ' z ā -sh ə n, ( ˌ )dip- \ noun