word | | Terrain |
| depth | World | the greatest ocean depth is the Mariana Trench at 10,924 m in the Pacific Ocean |
| depths | Southern Ocean | ... shallow water; the Antarctic continental shelf is generally narrow and unusually deep, its edge lying at depths of 400 to 800 m (the global mean is 133 m); the Antarctic icepack grows ... |
| descending | Eritrea | dominated by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling ... |
| desert | Algeria | mostly high plateau and desert; some mountains; narrow, discontinuous coastal plain |
| desert | Bahrain | mostly low desert plain rising gently to low central escarpment |
| Desert | Botswana | predominantly flat to gently rolling tableland; Kalahari Desert in southwest |
| desert | Chad | broad, arid plains in center, desert in north, mountains in northwest, lowlands in south |
| desert | Egypt | vast desert plateau interrupted by Nile valley and delta |
| desert | Eritrea | ... dominated by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling ... |
| desert | Israel | Negev desert in the south; low coastal plain; central mountains; Jordan Rift Valley |
| desert | Jordan | mostly desert plateau in east, highland area in west; Great Rift Valley separates East and West Banks of the Jordan River |
| desert | Kazakhstan | extends from the Volga to the Altai Mountains and from the plains in western Siberia to oases and desert in Central Asia |
| desert | Kuwait | flat to slightly undulating desert plain |
| desert | Mexico | high, rugged mountains; low coastal plains; high plateaus; desert |