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digital elevation model
gen.	digitales Höhenmodell
environ., agric.	digitales Höhenlinienmodell
English thesaurus
Digital Elevation Model
abbr., astronaut., mil.	DEM
digital elevation model
avia.	The representation of terrain surface by continuous elevation values at all intersections of a defined grid, referenced to common datum. (Digital Terrain Model (DTM) is sometimes referred to as DEM.)