1. pe

noun. the 17th letter of the Hebrew alphabet.


  • Hebrew alphabet
  • alphabetic character
  • letter of the alphabet
  • Hebrew script
  • Hebraic alphabet

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2. pe-tsai

noun. plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia.


  • napa
  • Chinese cabbage
  • Brassica
  • cruciferous plant
  • celery cabbage
  • crucifer
  • genus Brassica

3. PE

noun. the mechanical energy that a body has by virtue of its position; stored energy.


  • elastic potential energy
  • mechanical energy
  • elastic energy