English Dictionary

hectograph

noun

(historical) An old printing machine that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame.

I used a hectograph to make multiple copies of the document.

意味（1）

(historical) An old printing machine that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame.