DIN
Deutsches Institut für Normung (German Institut for Standardisation), the national standardisation organisation, founded as the standards committee of German industry in 1917
diploma
official document, certificate of the award of academic honours
diplomatics
the study of documents which imparts knowledge of the rules, use and design of documents, certificates and diplomas
diplomatics
auxiliary historical science concerning the knowledge of the rules governing the use and interpretation of certificates and diplomas
diptych
tablet consisting of two wax tablets connected together with two hinges
direction of rotation
direction of the paper path in the machine, determined by the paper fibres prior to processing
discount
reduction in a sales price
display typefaces
typefaces that are particularly suitable for emphasising text
divination book
a book in the form of an oracle
DNB
Deutsche Nationalbibliothek (German National Library), legal deposit library and bibliographical centre of the Federal Republic of Germany