1. a machine or device for making multiple copies of a document by means of a gelatin or chemical surface
Usage: historical; now largely obsolete, replaced by photocopiers and digital printing

1. to make copies of a document using a hectograph
Usage: historical

Examples

• Before photocopiers became common, schools used a hectograph to reproduce worksheets and tests.
• The teacher would hectograph the exam papers the night before the test.
• A hectograph could produce up to 100 copies from a single master sheet.
• The office manager learned how to operate the hectograph to save on printing costs.
• Students in the 1950s often received handouts made on a hectograph machine.