DIAZO - is a valid Scrabble word.
Definition of DIAZO:
- 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
- a type of photocopy [n DIAZOS or DIAZOES]
- containing the diazo group
- lating to or containing diazonium often used in combination
- relating to or containing the group N2 composed of two nitrogen atoms united to a single carbon atom of an organic radical often used in combination