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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.


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
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
References in periodicals archive ?
He highlights Darwin's role in emergent technologies of photographic book printing (he used the newly developed heliotype, which preceded the photogravure technique).
Tillim's essay displayed his extensive knowledge about the histories, forms, and uses of various processes, such as photolithography, woodburytype, heliotype, albertype, photogravure, and the photoengraved halftone process, highlighting his complaint that Benjamin generalized "photography" and "reproduction" beyond usefulness, failing to attend to their specific social and formal realities.