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.
A (an) is the indefinite article, indicating a single, non-specific member of a group or set. The plural may be some, but also several, many, or any numerical modifier. (any male human) This is compared to the definite articles (the, this, that, those) which describe a certain member, or one previously referred to.