1. living substance the substance of a living cell
  2. lubricating substance a substance capable of reducing friction by making surfaces smooth or slippery
  3. least resistance the least effortful way to do something
  4. logistic assistance assistance between and within military commands
  5. poisonous substance any substance that causes injury or illness or death of a living organism
  6. plant substance material derived from plants
  7. synthetic substance a compound made artificially by chemical reactions
  8. liquid body substance the liquid parts of the body
  9. ground substance the body substance in which tissue cells are embedded
  10. solid body substance the solid parts of the body
  11. humic substance an organic residue of decaying organic matter
  12. body substance the substance of the body
  13. long distance a telephone call made outside the local calling area
  14. long-distance covering a long distance
  15. translucent substance a material having the property of admitting light diffusely
  16. transparent substance a material having the property of admitting light diffusely
  17. substance the real physical matter of which a person or thing consists
  18. controlled substance a drug or chemical substance whose possession and use are controlled by law
  19. chemical substance material produced by or used in a reaction involving changes in atoms or molecules
  20. passive resistance peaceful resistance to a government by fasting or refusing to cooperate