CEFR C1

azo dye

noun

Meaning

A synthetic organic compound containing a nitrogen-nitrogen double bond used to color textiles, plastics, and food.

Examples

  • Many modern textile manufacturers have switched to eco-friendly alternatives to traditional azo dye formulations.
  • The chemist analyzed the wastewater to detect trace amounts of an azo dye used in the local fabric mill.

Synonyms: synthetic dye, colorant, pigment, chromophore