Ozalidn.
/ˈɒzəlɪd/, /ˈɒzl̩ɪd/, /ˈəʊzəlɪd/, /ˈəʊzl̩ɪd/, U.S. /ˈoʊzəˌlɪd/, /ˈɑzəˌlɪd/ A diazotype copying process in which the light-sensitive coating of the paper contains the coupling compound as well as the diazonium salt, so that the image develops on exposure to gaseous ammonia. Frequently attributive, of machinery, materials, etc., used in this process. Hence: a photocopy produced by this process.A proprietary name in the United States.
ΘΚΠ
society > communication > representation > [noun] > copying apparatus > photocopier > proprietary name > other
Ozalid1924
1924 Trade Marks Jrnl. 16 July 1608 Ozalid... Paper.., stationery, and bookbinding. Kalle & Co., Aktien Gesellschaft.., Biebrich-on-Rhine, Germany; manufacturers and merchants.
1929 Encycl. Brit. XVII. 803/1 G. Kögel has patented..the use of diazoanhydrides..for paper that may be used for the same purpose; this process is known as ‘Ozalid’.
1939 Thorpe's Dict. Appl. Chem. (ed. 4) III. 589/2 Ozalide [sic] papers, which have largely displaced blueprint paper, are based on the principle that a light-sensitive diazoanhydride may be mixed with a phenol or aromatic amine without coupling until the mixture is rendered slightly alkaline.
1970 E. A. D. Hutchings Surv. Printing Processes vii. 114 Development of the intermediates is carried out in an Ozalid ammonia vapour dyeline machine.
1999 Bookseller 17 Sept. 29/3 A representative from the Hong Kong printers took the ozalids of the relevant pages to China.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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n.1924