1. space rocket a rocket powerful enough to travel into outer space
  2. spacewards towards outer space
  3. sprocket tooth on the rim of gear wheel
  4. squash rackets a game played in an enclosed court by two or four players who strike the ball with long-handled rackets
  5. space cadet someone who seems unable to respond appropriately to reality
  6. spice rack a rack for displaying containers filled with spices
  7. sinus rectus an unpaired sinus of the dura mater
  8. space writer a writer paid by the area of the copy
  9. squash racquets a game played in an enclosed court by two or four players who strike the ball with long-handled rackets
  10. Spirochaetaceae large coarsely spiral bacteria
  11. Sarcodes snow plant
  12. space lattice a 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal
  13. sea-rocket salt-tolerant seashore annual grown for its fragrant rose or violet flowers and fleshy grey-green foliage
  14. superior rectus the ocular muscle whose contraction turns the eyeball upward and medially
  15. spacecraft a craft capable of traveling in outer space
  16. space program a technological program intended to explore outer space
  17. spaceward towards outer space
  18. genus Rickettsia can cause typhus and Rocky Mountain spotted fever in humans
  19. skyrocket shoot up abruptly, like a rocket
  20. space helmet a helmet worn by astronauts while in outer space