1. prison a correctional institution where persons are confined while on trial or for punishment
  2. proposer someone who advances a suggestion or proposal
  3. Preussen a former kingdom in north-central Europe including present-day northern Germany and northern Poland
  4. prepose place before another constituent in the sentence
  5. propene a flammable gas obtained by cracking petroleum
  6. propman member of the stage crew in charge of properties
  7. propose present for consideration, examination, or criticism
  8. trypsin an enzyme of pancreatic origin
  9. props proper respect
  10. Mariposan a Penutian language spoken by the Yokuts in the San Joaquin Valley
  11. periapsis the point in an orbit closest to the body being orbited
  12. propylene a flammable gas obtained by cracking petroleum
  13. proposal the act of making a suggestion
  14. prepossess cause to be preoccupied
  15. prepossession an opinion formed beforehand without adequate evidence
  16. Orbison United States composer and rockabilly tenor popular in the 1950s (1936-1988)
  17. preseason a period prior to the beginning of the regular season which is devoted to training and preparation
  18. propanone the simplest ketone
  19. purposely with intention; in an intentional manner
  20. repose on be based on; of theories and claims, for example

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