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 The Papanicolaou test (abbreviated as Pap test, also known as Pap smear (AE), cervical smear (BE), cervical screening (BE), or smear test (BE)) is a method of cervical screening used to detect potentially precancerous and cancerous processes i ...

, that is, a cervical smear *

Smear (card game) Smear (also known as Schmier) is a North-American trick-taking card game of the all fours group, and a variant of pitch (setback). Several slightly different versions are played in Michigan, Minnesota, Northern and Central Iowa, Wisconsin and a ...

* 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 Georg Albert Ruthenberg (born August 5, 1959), better known by his stage name Pat Smear, is an American musician. He was the lead guitarist and co-founder of Los Angeles–based punk band The Germs and a rhythm guitarist for grunge band Nirvana ...

, the guitarist and actor * Smear (optics), motion that degrades sharpness, which is generally linear over the integration time *Colloquial name for a

glissando In music, a glissando (; plural: ''glissandi'', abbreviated ''gliss.'') is a wikt:glide, glide from one pitch (music), pitch to another (). It is an Italianized Musical terminology, musical term derived from the French ''glisser'', "to glide". In ...

, 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 An astronomical interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution images of astronomical objects such as stars, n ...

: ** 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