1. chemical chain a series of linked atoms
  2. chemical change process determined by substances' composition and structure
  3. chemical action (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  4. chemical weapon chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants
  5. chemical agent an agent that produces chemical reactions
  6. chemical reaction a process in which substances are changed into others
  7. chemical notation a notation used by chemists to express technical facts in chemistry
  8. conclusion a position or opinion reached after consideration
  9. chemical bond an electrical force linking atoms
  10. nautical chain a nautical unit of length (15 ft)
  11. chemical group (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
  12. chemical mechanism the atomic process that occurs during a chemical reaction
  13. Chemical Mace a liquid that temporarily disables a person
  14. chemical science the science of matter
  15. chemical produced by reactions involving atomic or molecular changes
  16. chemical compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
  17. chemical plant an industrial plant where chemicals are produced
  18. crackle china glazed china with a network of fine cracks on the surface
  19. chemically with respect to chemistry
  20. chemical attraction the force attracting atoms to each other and binding them together in a molecule