diphthongization definitions Merriam Webster's noun see diphthongize Webster's 1913 Dictionary Diphthongization Diph`thong*i*za"tion, n. The act of changing ...
... into a diphthong transitive verb to pronounce as a diphthong • diphthongization noun Oxford Reference Dictionary v.tr. (also -ise) pronounce as a diphthong. Derivatives: diphthongization n. Webster's 1913 Dictionary Diphthongize Diph"thong*ize, v ...