photogelatin process photogelatin • photogen · · · Info · Definitions · Synonyms · Characters · · photogelatin process · · Text Common · · Latin · · Scripts 20 · · Length 7 · · Syllables Definitions · · · (noun) 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. Synonyms: collotype, collotype printing, photogelatin process. · · Noun Definition 1 Synonyms · · · collotype · · Synonym 1 collotype printing · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074