A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Ea Ec Ed El Em En Eo Ep Eq Er Es Eu Ev Ex

extension

[ESRI software] In ArcGIS, an optional software module that adds specialized tools and functionality to ArcGIS Desktop. ArcGIS Network Analyst, ArcGIS StreetMap, and ArcGIS Business Analyst are examples of ArcGIS extensions.