Dictionaries have words and their meanings listed in an alphabetical order. Dictionaries are helpful in learning the correct spelling of words. They also show the correct pronunciation of words. Dictionaries are in book form and are also on the Internet.
This is an example of a dictionary entry:
im•mi•grant /im-i-gruhnt/ n.
a person who goes from one country to another, usually to live there forever
a living being found in an area that is different from its natural home