1 Wind turbines and windmills are used to convert wind energy into useful form. 2  Wind energy is an alternate plentiful renewable energy form. 3  Wind turbines use wind energy to generate electricity. 4  A wind farm is a collection of wind turbines used for generating electricity.he energy of wind converted into useful form (usually electric current) is called wind energy. Wind energy is a Renewable energy source.
definite article. n. A member of the class of determiners that restricts or particularizes a noun. In English, the is the definite article. definite article. n. (Grammar) grammar a determiner that expresses specificity of reference, such as the in English.
Each noun or group of nouns being referred to - in these cases freckles, alligator, and breakfast burrito - is direct and specific. Indefinite articles are the words a and an. Each of these articles is used to refer to a noun, but the noun being referred to is not a specific person, place, object, or idea. It can be any noun from a group of nouns. In each case, the noun is not specific.