hec·to·graph /-ˌgræf/
膠版印刷,膠版(vt.)膠版印刷
Hec·to·graph n. A contrivance for multiple copying, by means of a surface of gelatin softened with glycerin. [Written also hectograph.]
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hectograph
n : duplicator consisting of a gelatin plate from which ink can
be taken to make a copy [syn: heliotype]
v : copy on a duplicator; "hectograph the hand-outs"