1. space heater heater consisting of a self-contained unit to warm a room
  2. space writer a writer paid by the area of the copy
  3. pacesetter a leading instance in its field
  4. spice tree Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood
  5. space bar the bar-shaped typewriter key that introduces spaces when used
  6. subsidiary functioning in a supporting capacity
  7. spaced-out confused or disoriented as if intoxicated through taking a drug
  8. space-time the four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
  9. southeaster a strong wind from the southeast
  10. spatter dash a liquid upon or against
  11. space travel a voyage outside the Earth's atmosphere
  12. spaceward towards outer space
  13. substrate the material that is acted upon by an enzyme
  14. pester annoy persistently
  15. space cadet someone who seems unable to respond appropriately to reality
  16. typesetter one who puts written material into type
  17. sob story a sentimental story of personal distress
  18. specifier someone who draws up specifications giving details
  19. spiceberry shrub with coral-red berries; Japan to northern India
  20. spacewalker an astronaut who is active outside a spacecraft in outer space