Any foul of filthy substance, as excrement, mud, dust, etc.; whatever, adhering to anything, renders it foul or unclean; earth; as, a wagonload of dirt.
To make foul of filthy; to dirty.
any foreign material that is unintentionally embedded into the sheet of paper
An embedded, anomalous material that mars a dried coating. 198
Fluff or dust and other foreign bodies/particles that adhere to film or sensors and result in image defects.
the state of being covered with unclean things
Dirt is any foul or filthy substance. For instance, mud, grime, soil, and dust can be considered dirt. See Soil.
Any filthy or soiling substance, such as dust, soil, grime or mud.
Dirt in paper consists of any imbedded foreign matter or specks that contrast in color to the remainder of the sheet.
Term used to describe any foreign particle on film that is visible.Dirt may be dust from an air vent or lint from a film handler's clothing.The emulsion on negative stock is very soft and it is easy for dirt to become embedded in it permanently.One must be careful in assessing dirt.A dirty and scratched workprint does not represent the quality of the original negative.
The presence of relatively nonreflective foreign particles embedded in a sheet of paper. The size and lack of reflectance of the particles may be such that they will be mistaken for inked areas by an optical scanner.