Diazo

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 simplest example of a diazo compound is diazomethane. The electronic structure of diazo compounds involves a positive charge on the central nitrogen and negative charge distrib...
Found on http://en.wikipedia.org/wiki/Diazo

diazo

adjective relating to or containing diazonium
Found on https://www.encyclo.co.uk/local/20974

Diazo

A light sensitive coal tar product used as a coating on presensitized plates, as well as overlay proofs.
Found on https://www.encyclo.co.uk/local/22539

Diazo

Abbreviation of diazonium compounds, which decompose under the action of intense blue or ultraviolet
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Diazo

Direct positive proofs made by contact exposure to film positives, can be made on paper or film.
Found on http://www.encyclo.co.uk/local/20829

Diazo

Light-sensitive coating on paper or film for making contact prints of technical drawings.
Found on http://www.e-printing.co.uk/glossary.htm

diazo

[adj] - relating to or containing diazonium
Found on http://www.webdictionary.co.uk/definition.php?query=diazo
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