Diphthongs and Triphthongs.

DEFINITIONS:


DIPHTHONGS:an unsegmentable, gliding speech sound varyingcontinuously in phonetic quality but held to be a single soundor phoneme and identified by its apparent beginning andending sound, as the oi-sound of toy or boil.




PROPER DIPHTHONGS:A coalition or union of two vowel sounds pronounced in one syllable; as, ou in out, oi in noise; -- called a proper diphthong.


IMPROPER DIPHTHONGS:A vowel digraph; a union of two vowels in the same syllable, only one of them being sounded; as, ai in rain, eo in people.


TRIPHTHONGS:A combination of three vowel sounds in a single syllable, forming a simple or compound sound; also, a union of three vowel characters, representing together a single sound; a trigraph; as, eye, -ieu in adieu, -eau in beau, are examples of triphthongs.

Tripthong:

Biology            Pronunciation

Power              Science

Radio              Liar

Slower            Retired

Cure                Quiet

Improper diphthongs:

Crown            Make

Now                With

Awake             Like

Clown              Know

Beware           Save

Proper diphthongs:

Shout              Sound

Eight               Boil

Voice              Mouth

Found             Mouse

Pronounce      Count

Other words:

Nearly             Syllable

World              Magic             

Later                First                

Heard              Follow

Have               Letter

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REFLECTION:

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