1. drum printer a line printer in which the type is mounted on a rotating drum that contains a full character set for each printing position
  2. powder compact a small cosmetics case with a mirror
  3. binary compound chemical compound composed of only two elements
  4. matrix printer a printer that represents each character as a pattern of dots from a dot matrix
  5. pepper grinder a mill for grinding pepper
  6. page printer a printer that prints one page at a time
  7. power company a public utility that provides electricity
  8. thermal printer a printer that produces characters by applying heat to special paper that is sensitive to heat
  9. air compressor a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure
  10. bar printer an impact printer that uses a bar to carry the type slugs
  11. page-at-a-time printer a printer that prints one page at a time
  12. Pouteria campechiana nervosa tropical tree of Florida and West Indies yielding edible fruit
  13. Peter Cooper United States industrialist who built the first American locomotive; founded Cooper Union in New York City to offer free courses in the arts and sciences (1791-1883)
  14. supercomputer a mainframe computer that is one of the most powerful available at a given time
  15. laser printer electrostatic printer that focuses a laser beam to form images that are transferred to paper electrostatically
  16. Precambrian eon the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
  17. procumbent having stems that trail along the ground without putting down roots
  18. Precambrian the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
  19. recompense make payment to
  20. water company a public utility that provides water

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