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 |
| desert | Mongolia | vast semidesert and desert plains, grassy steppe, mountains in west and southwest; Gobi Desert in south-central |
| Desert | Namibia | mostly high plateau; Namib Desert along coast; Kalahari Desert in east |
| desert | Niger | predominately desert plains and sand dunes; flat to rolling plains in south; hills in north |
| desert | Oman | central desert plain, rugged mountains in north and south |
| desert | Qatar | mostly flat and barren desert covered with loose sand and gravel |
| desert | Saudi Arabia | mostly uninhabited, sandy desert |
| desert | Sudan | generally flat, featureless plain; mountains in far south, northeast and west; desert dominates the north |
| desert | Syria | primarily semiarid and desert plateau; narrow coastal plain; mountains in west |
| desert | Turkmenistan | flat-to-rolling sandy desert with dunes rising to mountains in the south; low mountains along border with Iran; borders Caspian Sea in west |
| desert | United Arab Emirates | flat, barren coastal plain merging into rolling sand dunes of vast desert wasteland; mountains in east |
| desert | Uzbekistan | mostly flat-to-rolling sandy desert with dunes; broad, flat intensely irrigated river valleys along course of Amu Darya, Syr Darya (Sirdaryo), and Zarafshon; Fergana Valley in east surrounded by mountainous Tajikistan ... |
| desert | Western Sahara | mostly low, flat desert with large areas of rocky or sandy surfaces rising to small mountains in south and northeast |
| desert | Yemen | narrow coastal plain backed by flat-topped hills and rugged mountains; dissected upland desert plains in center slope into the desert interior of the Arabian Peninsula |
| deserts | Australia | mostly low plateau with deserts; fertile plain in southeast |
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