Top Definition
It is also known as the blue-line or blue-line process.
There are two components in this process:

1. the diazonium salt: a light sensitive chemical

2. the azodye (AKA coupler): a colorless chemical that combines with diazo to produce color
Diazo is the process equal the Blueprint ,which is commercial terminology
by Eccko June 03, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.