[hek-tuh-graf, -grahf] 
| 1. | a process for making copies of a letter, memorandum, etc., from a prepared gelatin surface to which the original writing has been transferred. |
| 2. | a machine for making such copies. |
| 3. | to copy with the hectograph. |
[hek-tuh-graf-ik] , adjective [hek-tog-ruh-fee] , noun | 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. |
hectograph
direct-process duplicator using either gelatin or the spirit process for making a master copy.
Learn more about hectograph with a free trial on Britannica.com.
təˌgræf