1. step stool a stool that has one or two steps that fold under the seat
  2. systemic affecting an entire structure, network, or complex of parts
  3. epistemic of or relating to epistemology
  4. space-time the four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
  5. sweepstakes a lottery in which the prize consists of the money paid by the participants
  6. dipstick a graduated rod dipped into a container to indicate the fluid level
  7. upset stomach a disorder of digestive function characterized by discomfort or heartburn or nausea
  8. taste-maker someone who popularizes a new fashion
  9. stepson the son your spouse by a former marriage
  10. steep-sided having very steep sides
  11. stepbrother a brother who has only one parent in common with you
  12. osteoblastoma benign tumor of bone and fibrous tissue
  13. juxtaposition the act of positioning close together
  14. stepmother the wife of your father by a subsequent marriage
  15. stepfather the husband of your mother by a subsequent marriage
  16. first stomach the first compartment of the stomach of a ruminant
  17. epistemology the philosophical theory of knowledge
  18. statue maker an artist who creates sculptures
  19. stepped line a headline with the top line flush left and succeeding lines indented to the right
  20. stepsister a sister who has only one parent in common with you