Definitions of chemical

  1. produced by or used in a reaction involving changes in atoms or molecules
  2. A substance used for producing a chemical effect; a reagent.
  3. A substance produced or used in a chemical process.
  4. Chemically.
  5. of or made from or using substances produced by or used in reactions involving atomic or molecular changes; " chemical fertilizer"
  6. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations.
  7. Of or pertaining to chemistry. chemic.
  8. Pertaining to chemistry, or its phenomena.
  9. Pert. to chemistry.