azo
/ˈeɪzoʊ/
adjective
- Relating to or containing the chemical group -N=N- (two nitrogen atoms double-bonded together), used especially in dyes and pigments.
- Many azo dyes are used to color textiles and leather.
- The lab tested a new azo compound for its colorfastness.
- The chemist explained how azo groups give certain molecules their bright colors.