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photogelatin process
WORDNET DICTIONARY
Noun photogelatin process has 1 sense
- photogelatin process(n = noun.communication) collotype, collotype printing - 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; Array has particulars: hectograph, heliotype
is a kind of planographic printing, planography
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