- diazo process
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a method for printing on paper treated with a diazo compound that disintegrates upon exposure to light and developing the unexposed areas by the use of diazo dyes.[1945-50]
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Universalium. 2010.
diazo process
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diazo process — noun : the process of making diazotypes * * * Photog. a method for printing on paper treated with a diazo compound that disintegrates upon exposure to light and developing the unexposed areas by the use of diazo dyes. [1945 50] * * * diazo… … Useful english dictionary
Diazo — For a discussion of copiers using the diazo process, see Whiteprint. Diazo refers to a type of organic compound called diazo compound that has two linked nitrogen atoms (azo) as a terminal functional group. The general formula is R2C=N2. The… … Wikipedia
diazo — n. (in full diazotype) a copying or colouring process using a diazo compound decomposed by light. Phrases and idioms: diazo compound Chem. a chemical compound containing two usu. multiply bonded nitrogen atoms, often highly coloured and used as… … Useful english dictionary
diazo — [dʌɪ azəʊ, eɪzəʊ] (also diazotype) noun a copying or colouring process using a diazo compound decomposed by ultraviolet light … English new terms dictionary
Diazo(type) process — Диазотипия … Краткий толковый словарь по полиграфии
Ozalid process — The ozalid process is a process of printing positive images on paper from patterns on film or other translucent media. It is akin to creating a photogram, using chemically treated paper. A transparent film with the pattern to be printed is placed … Wikipedia
di|az|o — «dy AZ oh, AY zoh», adjective, noun. –adj. 1. Chemistry. of or containing a group of two nitrogen atoms, N2, united with one hydrocarbon radical or with one hydrocarbon radical and another atom or group of atoms. 2. of or having to do with the… … Useful english dictionary
diazotype — ˌtīp noun Etymology: diaz + type : a photograph or photocopy produced on a surface (as paper) by coating with a solution containing a diazo compound that is decomposed on exposure to light, the compound in the unexposed parts being then converted … Useful english dictionary
drafting — /draf ting, drahf /, n. See mechanical drawing. [1875 80; DRAFT + ING1] * * * Precise graphical representation of a structure, machine, or its component parts that communicates the intent of a technical design to the fabricator (or the… … Universalium
diazotype — /duy az euh tuyp /, n. Photog. a print produced by the diazo process. [1885 90; DIAZO + TYPE] * * * … Universalium
