Azo dyes are synthetic coloring agents developed for use in a variety of industries, such as textiles, cosmetics, and food processing. There are numerous synonyms for the term "azo dye", including monoazo, diazo, disazo, triazo, polysazo, and polyazo. These classifications are based on the number of azo groups (a functional group consisting of two nitrogen atoms connected by a double bond) present in the dye molecule. Additionally, there are several other terms used in place of "azo dye" to describe specific types of compounds, such as azoic dyes, azodyes, and azo pigments. Regardless of the specific terminology used, these synthetic compounds are essential components in a wide range of everyday products.