title: PAPR
text: # PAPR
  
  PAPR may refer to:
  
  * Peak-to-average power ratio, the peak divided by the root mean square (RMS) of the waveform
  * Power Architecture Platform Reference
  * Powered air-purifying respirator
  * Prospect Creek Airport (ICAO location indicator: PAPR), in Prospect Creek, Alaska, United States
  * papR (Bt), a component of quorum sensing in Bacillus thuringiensis
  