word | | Terrain |
| Current | Southern Ocean | ... 18.8 million sq km in September, better than a sixfold increase in area; the Antarctic Circumpolar Current (21,000 km in length) moves perpetually eastward; it is the world's largest ocean current ... |
| currents | Atlantic Ocean | ... of the Baltic Sea from October to June; clockwise warm-water gyre (broad, circular system of currents) in the northern Atlantic, counterclockwise warm-water gyre in the southern Atlantic; the ocean floor ... |
| currents | Indian Ocean | surface dominated by counterclockwise gyre (broad, circular system of currents) in the southern Indian Ocean; unique reversal of surface currents in the northern Indian Ocean; low atmospheric pressure over southwest Asia from ... |
| currents | Pacific Ocean | surface currents in the northern Pacific are dominated by a clockwise, warm-water gyre (broad circular system of currents) and in the southern Pacific by a counterclockwise, cool-water gyre; in the ... |
| Dablobi | Georgia | ... with Great Caucasus Mountains in the north and Lesser Caucasus Mountains in the south; Kolkhet'is Dablobi (Kolkhida Lowland) opens to the Black Sea in the west; Mtkvari River Basin in the ... |
| Darya | Uzbekistan | ... 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 and Kyrgyzstan ... |
| Deccan | India | upland plain (Deccan Plateau) in south, flat to rolling plain along the Ganges, deserts in west, Himalayas in north |
| declining | Rwanda | mostly grassy uplands and hills; relief is mountainous with altitude declining from west to east |
| deep | Korea, North | mostly hills and mountains separated by deep, narrow valleys; coastal plains wide in west, discontinuous in east |
| deep | Macedonia | mountainous territory covered with deep basins and valleys; three large lakes, each divided by a frontier line; country bisected by the Vardar River |
| deep | Mayotte | generally undulating, with deep ravines and ancient volcanic peaks |
| deep | Pacific Ocean | ... ocean floor in the eastern Pacific is dominated by the East Pacific Rise, while the western Pacific is dissected by deep trenches, including the Mariana Trench, which is the world's deepest |
| deep | Southern Ocean | the Southern Ocean is deep, 4,000 to 5,000 m over most of its extent with only limited areas of shallow water; the Antarctic continental shelf is generally narrow and unusually deep, its ... |
| deepest | Pacific Ocean | ... ocean floor in the eastern Pacific is dominated by the East Pacific Rise, while the western Pacific is dissected by deep trenches, including the Mariana Trench, which is the world's deepest |
| deeply | Iceland | mostly plateau interspersed with mountain peaks, icefields; coast deeply indented by bays and fiords |
| deeply | Norway | glaciated; mostly high plateaus and rugged mountains broken by fertile valleys; small, scattered plains; coastline deeply indented by fjords; arctic tundra in north |
| deeply | Saint Helena | ... Cunha: sheer cliffs line the coastline of the nearly circular island; the flanks of the central volcanic peak are deeply dissected; narrow coastal plain lies between The Peak and the coastal cliffs |
| delta | Egypt | vast desert plateau interrupted by Nile valley and delta |
| delta | Vietnam | low, flat delta in south and north; central highlands; hilly, mountainous in far north and northwest |
| deltas | China | mostly mountains, high plateaus, deserts in west; plains, deltas, and hills in east |
| Denmark | Arctic Ocean | ... the Beaufort Gyral Stream, but nearly straight-line movement from the New Siberian Islands (Russia) to Denmark Strait (between Greenland and Iceland); the icepack is surrounded by open seas during the summer ... |
| Denmark | Atlantic Ocean | surface usually covered with sea ice in Labrador Sea, Denmark Strait, and coastal portions of the Baltic Sea from October to June; clockwise warm-water gyre (broad, circular system of currents) in ... |
| depressions | Bermuda | low hills separated by fertile depressions |
| depressions | Libya | mostly barren, flat to undulating plains, plateaus, depressions |