Number Prefixes

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Across
  1. 2. A state of being joined as whole
  2. 4. 1,000,000,000
  3. 5. Holds your camera
  4. 6. A vehicle with two wheels
  5. 8. A game or round before the finals
  6. 10. A punctuation mark (;) indicating a pause
  7. 11. Three times over again
  8. 12. A group of three people or things
  9. 14. College
  10. 15. Become united
  11. 16. All the matter and space that exists
  12. 17. Different than others
  13. 18. A figure with three straight sides and three angles
  14. 19. A large muscle in the upper arm
Down
  1. 1. A combination of two or more tones sounding at the same time
  2. 3. Three children or animals born at the same time
  3. 4. Twice a year
  4. 7. Twice a month
  5. 9. Half a circle
  6. 13. A instrument with two lenses used for viewing objects