What is a Vowel?
A vowel is a type of sound for which there is no closure of the throat or mouth at any point where vocalization occurs. This can be contrasted with consonants, which are sounds for which there are one or more points where air is stopped. In nearly all languages, words must contain at least one vowel. While, in English, a word can be formed without any consonants — such as the words I or a — no word may consist of only consonants.
In many languages, vowels are not crucial to the general meaning of the word. Rather, one in these languages — many of which are Semitic languages — acts more to give a specific inflection than to differentiate the word from other distinct words. A parallel of this in English can be seen in the example of dive and dove or lay and lie, in which the core word is the same, but the changed vowel denotes tense. Languages that have this type of structure often do not even mark all of these sounds in written text. Both Arabic and Hebrew are good examples of this, where the marking of many vowels is unnecessary in writing.
Since a vowel refers to a specific type of sound, some letters may orthographically represent a consonant in some circumstances, and a vowel in others. In English, this can be seen with the letters y and w, which are most often used to make consonant sounds but don't require the closure of the throat that's common to consonants. In the case of y, for example, people can compare its use in the words yonder and day. In the word yonder, it acts distinctly as a consonant, with the center of the tongue blocking the flow of air on one side by touching the palette of the mouth in what is called a palatal approximant. In the word day, on the other hand, it is forming a sound akin to if the word were written in English as dei.
In the case of w, the words woo and how can be examined. In the word woo, the letter is acting as a consonant, with the back of the tongue blocking the flow of air on one side by touching the palette of the mouth — what is called a labiovelar approximant. In the word how, it serves as a vowel, which could be represented in English writing as hao.
In English, there are five letters which always represent a vowel when written: a, e, i, o, and u. These five letters represent more than five sounds, however, depending on the word, or if they are combined with other letters. Readers can compare the letter a in the words hat and hate as one of many examples.
@bagee: The word "crwth". It's the name of an instrument. Kind of a cross between a violin and a guitar.
Does head end with a vowel sound? I feel confused, or is Paul S Gruber wrong?
this is so helpful. Thanks a lot.
how many vowels are in independent?
as noted below, the best example I use to demonstrate the versatility of 'w' is the word 'wow'. the first 'w' is a consonant, while the second one is a vowel. 'how' is another clear example - phonetically this is about the same as 'hou' or 'hao' would be. usually you see them at the end of words, so words like 'cow', 'sow', 'meow'.
We had an argument today about what all the English vowels were. I said I remembered when I was young you would hear A,E,I,O,U and sometimes Y and rarely W. They all laughed and said I was nuts, W was never a vowel. I could not think of any words to back up my case. Does anyone know any or have I lost my mind?
both y and w can be described as semi-vowels, which is basically just a way of saying sometimes we treat them as consonants, and sometimes as vowels.
perhaps the best example in english of the semi-vowel status of the letter w is in the word 'wow'.
the first 'w' in that word is usually transcribed as a consonant, while the final one is transcribed as a vowel making a diphthong with the o.
The letter "y" is always causing problems in my third grade class because the kids never know if they should treat it as a vowel or a consonant. My linguist friend says it is a semi-vowel, along with the letter "w."
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