Meaning of DIAZO in English

[di.azo] adj [ISV diaz-, diazo-, fr. di- + az-] (1878) 1 a: relating to or containing the chemical group composed of two nitrogen atoms united to a single carbon atom of an organic radical--often used in combination b: relating to or containing diazonium--often used in combination

2: of or relating to a photograph or photocopy whose production involves the use of a coating of a diazo compound that is decomposed by exposure to light

Merriam-Webster English vocab.      Английский словарь Merriam Webster.