hazardous chemicals

noun

1. chemical substances that can harm people, animals, or the environment, especially because they are toxic, flammable, corrosive, or reactive, if they are not handled or stored safely

   B2

   plural noun phrase; often used in safety, workplace, and environmental contexts

   • "Some cleaning products contain hazardous chemicals."A2
   • "Keep hazardous chemicals away from children."A2
   • "Workers must wear protective clothing when handling hazardous chemicals."B1
   • "The company was fined for improperly disposing of hazardous chemicals."B2
   • "Hazardous chemicals must be stored, labelled, and transported according to strict safety regulations."C1