Introduction Definition of paper: Paper is defined as a matted or felted sheet usually composed of plant fiber Paper has been commercially made from such fiber sources as rags(linen), bagasse (sugar cane), cotton, and straw. Modern paper is made almost exclusively from cellulose fiber derived from wood Although the word"paperis derived from the egyptian term, papyrus was not a true paper in the modern sense Invention of paper The invention of paper by blending cellulose fibers didnt occur until the beginning of the second century A DIntroduction Definition of paper: ·Paper is defined as a matted or felted sheet usually composed of plant fiber. Paper has been commercially made from such fiber sources as rags (linen), bagasse (sugar cane), cotton, and straw. Modern paper is made almost exclusively from cellulose fiber derived from wood. ·Although the word “paper” is derived from the Egyptian term, “papyrus” was not a true paper in the modern sense. - Invention of paper ·The invention of paper by blending cellulose fibers didn’t occur until the beginning of the second century A.D