diazo

adjective Chemistry.

1. containing the diazo group.

Chemistry.

1. a combining form with the meaning “diazo group,” used in the formation of compound words: diazomethane.

adjective

1. of, consisting of, or containing the divalent group, =N:N, or the divalent group, -N:N-diazo compound See also azo
2. Also: dyeline of or relating to the reproduction of documents using the bleaching action of ultraviolet radiation on diazonium salts

noun plural -os or -oes

3. a document produced by this method