1. space probe a rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation
  2. space bar the bar-shaped typewriter key that introduces spaces when used
  3. spiceberry shrub with coral-red berries; Japan to northern India
  4. saprobe an organism that lives in and derives its nourishment from organic matter in stagnant or foul water
  5. space program a technological program intended to explore outer space
  6. spaceward towards outer space
  7. sparerib a cut of pork ribs with much of the meat trimmed off
  8. space heater heater consisting of a self-contained unit to warm a room
  9. spaceship a spacecraft designed to carry a crew into interstellar space (especially in science fiction)
  10. space travel a voyage outside the Earth's atmosphere
  11. spare part an extra component of a machine or other apparatus
  12. space biology the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life
  13. spacecraft a craft capable of traveling in outer space
  14. spacefaring a voyage outside the Earth's atmosphere
  15. spaciotemporal existing in both space and time
  16. space capsule a spacecraft designed to transport people and support human life in outer space
  17. superpower a country that can influence events throughout the world
  18. Spizella arborea finch common in winter in the northern U.S.
  19. passport a document allowing a citizen to travel abroad
  20. space rocket a rocket powerful enough to travel into outer space