title: Smear
text: Smear may refer to:
  
  A smear test, wherein a sample is smeared over a microscope slide to be studied for any pathology
  A smear test usually refers to a pap test, that is, a cervical smear
  Smear (card game)
  Smear Lake, a lake in Wisconsin
  Smear campaign, or smear job,  an attack on the reputation of an individual or group making use of disinformation tactics
  Smear Campaign (album), an album by Napalm Death
  Pat Smear, the guitarist and actor
  Smear (optics), motion that degrades sharpness, which is generally linear over the integration time
  Colloquial name for a glissando, a glide from one musical pitch to another
  
  Smearing may refer to:
   Smearing of an image taken by an astronomical interferometer:
   Bandwidth smearing, a chromatic aberration;
   Time smearing, a consequence of Earth rotation during the observation;
   Smearing (climbing), a technique of rock climbing
   Electron smearing, a tool for improving convergence in DFT calculations
  
  See also
  Smeared, the debut studio album by Canadian rock band Sloan