perceived noise decibel

noun

a unit for measuring perceived levels of noise by comparison with the sound pressure level of a reference sound judged equally noisy by a normal listenerAbbreviation: PNdB

Nearby words

  1. perc,
  2. percale,
  3. percaline,
  4. perceivable,
  5. perceive,
  6. percent,
  7. percent sign,
  8. percentage,
  9. percenter,
  10. percentile

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012