Definition of heavy chemicals in English:

heavy chemicals

plural noun

  • Bulk chemicals used in industry and agriculture.

    • ‘A close examination revealed that the sandstone was compromised by decades of relentless emissions and by early restoration attempts that might have used sandblasting or heavy chemicals.’
    • ‘The actual work involves stripping the tub, which requires heavy chemicals to do so.’
    • ‘Instead of using heavy chemicals and trying to force it out, we take the time needed.’
    • ‘The chemical industry manufactures a wide range of products, from heavy chemicals and explosives to pharmaceuticals and photographic supplies.’
    • ‘Throw out anything laced with heavy chemicals.’