Margarine (/ˈmɑrdʒrɨn/, or /ˈmɑrdʒəriːn/; rarely /ˈmɑrɡəriːn/), as a generic term, can indicate any of a wide range of butter substitutes. In many parts of the world, margarine has become the best-selling table spread, although butter and olive oil also command large market shares. Margarine's an ingredient in the preparation of many other foods. Although margarine might occasionally be referred to as "butter" in informal spe… (More on Margarine)