Smear

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
• Smear (graffiti artist), a Romanian born street artist was influential in the Los Angeles graffiti scene in the 1990s.

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

• Smeared, the debut studio album by Canadian rock band Sloan