heliotype

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he·li·o·type

 (hē′lē-ə-tīp′)
n.
1. A photomechanically produced plate for pictures or type made by exposing a gelatin film under a negative, hardening it with chrome alum, and printing directly from it.
2. also he·li·o·typ·y (-tī′pē) The process of producing a heliotype.

he′li·o·type′ v.
he′li·o·typ′ic (-tĭp′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heliotype

(ˈhiːlɪəʊˌtaɪp)
n
1. (Printing, Lithography & Bookbinding) Also called: heliotypy a printing process in which an impression is taken in ink from a gelatine surface that has been exposed under a negative and prepared for printing
2. (Printing, Lithography & Bookbinding) the gelatine plate produced by such a process
3. (Printing, Lithography & Bookbinding) a print produced from such a plate
heliotypic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.heliotype - duplicator consisting of a gelatin plate from which ink can be taken to make a copy
copier, duplicator - apparatus that makes copies of typed, written or drawn material
collotype, collotype printing, photogelatin process - a photomechanical printing process that uses a glass plate with a gelatin surface that carries the image to be reproduced; can be used with one or more colors
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