*Choose Index below for a list of all words and phrases defined in this glossary.*

**ellipse** - [Euclidean geometry] A geometric shape described mathematically as the collection of points whose distances from two given points (the foci) add up to the same sum. An ellipse is shaped like a circle viewed obliquely.

[Category=Geospatial ]

*Source: esri, 11 April 2012 11:36:51, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation *

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