SKIP TO CONTENT
  1. humic substance an organic residue of decaying organic matter
  2. chemical substance material produced by or used in a reaction involving changes in atoms or molecules
  3. substance the real physical matter of which a person or thing consists
  4. living substance the substance of a living cell
  5. body substance the substance of the body
  6. gray substance greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
  7. grey substance greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
  8. ohmic resistance a material's opposition to the flow of electric current
  9. synthetic substance a compound made artificially by chemical reactions
  10. plant substance material derived from plants
  11. ground substance the body substance in which tissue cells are embedded
  12. existence the state or fact of being
  13. acceptance the state of being satisfactory
  14. resistance any mechanical force that tends to slow or oppose motion
  15. subsistence a means of surviving
  16. persistence the act of continuing or repeating
  17. psychoactive substance a drug that can produce mood changes and distorted perceptions
  18. public assistance governmental provision of economic assistance to persons in need
  19. subsidence a gradual sinking to a lower level
  20. capacitance an electrical phenomenon whereby an electric charge is stored