diphthongize

diph·thong·ize

 (dĭf′thông-īz′, -thŏng-, dĭp′-)
tr. & intr.v. diph·thong·ized, diph·thong·iz·ing, diph·thong·iz·es
To pronounce as or become a diphthong.

diph′thong·i·za′tion (-ĭ-zā′shən) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

diphthongize

(ˈdɪfθɒŋˌaɪz; -ˌɡaɪz; ˈdɪp-) or

diphthongise

vb
(Phonetics & Phonology) (often passive) to make (a simple vowel) into a diphthong
ˌdiphthongiˈzation, ˌdiphthongiˈsation n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

diph•thong•ize

(ˈdɪf θɔŋˌaɪz, -ˌgaɪz, -θɒŋ-, ˈdɪp-)

v. -ized, -iz•ing. v.t.
1. to change into or pronounce as a diphthong.
v.i.
2. to become a diphthong.
[1865–70]
diph`thong•i•za′tion, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

diphthongize


Past participle: diphthongized
Gerund: diphthongizing

Imperative
diphthongize
diphthongize
Present
I diphthongize
you diphthongize
he/she/it diphthongizes
we diphthongize
you diphthongize
they diphthongize
Preterite
I diphthongized
you diphthongized
he/she/it diphthongized
we diphthongized
you diphthongized
they diphthongized
Present Continuous
I am diphthongizing
you are diphthongizing
he/she/it is diphthongizing
we are diphthongizing
you are diphthongizing
they are diphthongizing
Present Perfect
I have diphthongized
you have diphthongized
he/she/it has diphthongized
we have diphthongized
you have diphthongized
they have diphthongized
Past Continuous
I was diphthongizing
you were diphthongizing
he/she/it was diphthongizing
we were diphthongizing
you were diphthongizing
they were diphthongizing
Past Perfect
I had diphthongized
you had diphthongized
he/she/it had diphthongized
we had diphthongized
you had diphthongized
they had diphthongized
Future
I will diphthongize
you will diphthongize
he/she/it will diphthongize
we will diphthongize
you will diphthongize
they will diphthongize
Future Perfect
I will have diphthongized
you will have diphthongized
he/she/it will have diphthongized
we will have diphthongized
you will have diphthongized
they will have diphthongized
Future Continuous
I will be diphthongizing
you will be diphthongizing
he/she/it will be diphthongizing
we will be diphthongizing
you will be diphthongizing
they will be diphthongizing
Present Perfect Continuous
I have been diphthongizing
you have been diphthongizing
he/she/it has been diphthongizing
we have been diphthongizing
you have been diphthongizing
they have been diphthongizing
Future Perfect Continuous
I will have been diphthongizing
you will have been diphthongizing
he/she/it will have been diphthongizing
we will have been diphthongizing
you will have been diphthongizing
they will have been diphthongizing
Past Perfect Continuous
I had been diphthongizing
you had been diphthongizing
he/she/it had been diphthongizing
we had been diphthongizing
you had been diphthongizing
they had been diphthongizing
Conditional
I would diphthongize
you would diphthongize
he/she/it would diphthongize
we would diphthongize
you would diphthongize
they would diphthongize
Past Conditional
I would have diphthongized
you would have diphthongized
he/she/it would have diphthongized
we would have diphthongized
you would have diphthongized
they would have diphthongized
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.diphthongize - change from a simple vowel to a diphthong; "This vowel diphthongized in Germanic"
switch, change, shift - lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes"
break - undergo breaking; "The simple vowels broke in many Germanic languages"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

diphthongize

[ˈdɪfθɒŋaɪz]
A. VTdiptongar
B. VIdiptongarse
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

diphthongize

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Mentioned in
References in periodicals archive
The tendency to pronounce the separate constituents in diphthongs or to "diphthongize" vowels is common throughout the South.
D [e:] and [o:] are found on Figure 5, because of their tendency to diphthongize, and are uncommon in E because they are restricted to unstressed syllables.
The great Vowel Shift and its analogues did not have a "beginning", that is, there never was a time when long (bimoric) vowels began to diphthongize (for whatever reasons).
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