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1. Relating to or used in chemistry
   "chemical balance";
   - chemic [archaic]
    
2. Of or made from or using substances produced by or used in reactions involving atomic or molecular changes
   "chemical fertilizer"

1. Material produced by or used in a reaction involving changes in atoms or molecules
   - chemical substance

Derived forms: chemicals

Type of: material, stuff

Encyclopedia: Chemical, biological, radiological, nuclear