Material's synonymous with Substance, and's anything made of matter - hydrogen, air and water are all examples of materials. Sometimes the term Material's used more narrowly to refer to substances or components with certain physical properties which are used as inputs to production or manufacturing. In this sense, materials are the pieces required to make something else, from buildings and art to stars and computers. A material can be anything: a finished product in its own right or an unproces… (More on Material)