- diazo⇄adj. 1. (Chemistry.) of or containing a group of two nitrogen atoms 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 diazo process.
Ex. Diazo copy paper is - diazo⇄diazo, adjective, noun.
- diazo⇄noun a diazo compound, especially a diazo dye.