PRF

PRF is an acronym and can stand for:

  • Platelet Rich Fibrin, A combination of platelets and fibrin used to regenerate tissue
  • PRF-3, the call letters of the now defunct TV Tupi, Brazil's first television station
  • Pain Relief Foundation
  • Primitive recursive function - a class of functions which form an important building block on the way to a full formalization of computability
  • Pseudorandom function - in cryptography to refer to a function with values seemingly chosen randomly within its range
  • Pulse repetition frequency - a characteristic of a radar transmitter
  • Pennsylvania Renaissance Faire
  • Passer rating formula, a system used to rate passers in American football
  • Pontine reticular formation
  • Polícia Rodoviária Federal is the Federal Highway Police of Brazil
  • Pacific Ring of Fire, a ring of volcanoes circuling the Pacific Ocean