Scale

scale - 

   (1) [cartography] The ratio or relationship between a distance or area on a map and the corresponding distance or area on the ground, commonly expressed as a fraction or ratio. A map scale of 1/100,000 or 1:100,000 means that one unit of measure on the map equals 100,000 of the same unit on the earth.
   (2) [Data Quality_] In reference to double precision, the number of digits to the right of the decimal point in a number. For example, the number 56.78 has a scale of 2.

[Category=Geospatial ]

Source: esri, 09 August 2012 09:20:44, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation