1. overtime period a period of overtime play to resolve a tie; e.g. basketball
  2. appropriate suitable for a particular person, place, or situation
  3. even-tempered not easily irritated
  4. bad-tempered annoyed and irritable
  5. lunar time period there are usually two high and two low tides each day
  6. short-tempered quickly aroused to anger
  7. refractory period (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
  8. private property movable property (as distinguished from real estate)
  9. abbreviated cut short in duration
  10. absolute temperature temperature measured on the absolute scale
  11. character-at-a-time printer a printer that prints a single character at a time
  12. Ordovician period from 500 million to 425 million years ago
  13. private treaty a sale of property at a price agreed on by the seller and buyer without an intervening agency
  14. orbit period the time it takes to complete one full orbit around a celestial body
  15. abbreviator one who shortens or abridges or condenses a written work
  16. intermediate temporal artery temporal artery that goes to the middle part of the cerebral cortex of the temporal lobe
  17. Cretaceous period from 135 million to 63 million years ago
  18. Precambrian period the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
  19. latent period the time that elapses between a stimulus and the response to it
  20. private detective someone who can be employed as a detective to collect information