How does the word sound?
"An" is used instead of "a" when the following word starts with a vowel sound. Vowel sounds are the sounds of the letters a, e, i, o, u.
Relationship of something to something else and shows something is "for each" or "for every" something else. Created to expand on meaning of words and can modify a large number of words.
Examples of how the word is used
|Renewal of membership is 15 dollars a person.|
|Extend your vocabulary by subscribing to this free "a word a day" email list.|