hec·to·graph  (hěk'tə-grāf')  n. A machine employing a glycerin-coated layer of gelatin in order to make copies of typed or written material. tr.v. hec·to·graphed, hec·to·graph·ing, hec·to·graphs To copy by means of a hectograph. hec'to·graph'ic adj., hec'to·graph'i·cal·ly adv. |