word | | Terrain |
| atolls | Solomon Islands | mostly rugged mountains with some low coral atolls |
| atolls | Tokelau | low-lying coral atolls enclosing large lagoons |
| atolls | Tuvalu | very low-lying and narrow coral atolls |
| Austria | Slovenia | a short coastal strip on the Adriatic, an alpine mountain region adjacent to Italy and Austria, mixed mountains and valleys with numerous rivers to the east |
| average | Antarctica | about 98% thick continental ice sheet and 2% barren rock, with average elevations between 2,000 and 4,000 meters; mountain ranges up to nearly 5,000 meters; ice-free coastal areas include parts of ... |
| average | Arctic Ocean | central surface covered by a perennial drifting polar icepack that, on average, is about 3 meters thick, although pressure ridges may be three times that thickness; clockwise drift pattern in the Beaufort ... |
| average | Southern Ocean | ... 400 to 800 m (the global mean is 133 m); the Antarctic icepack grows from an average minimum of 2.6 million sq km in March to about 18.8 million sq km in ... |
| awash | French Southern and Antarctic Lands | ... plains with a number of peninsulas stretching off its coasts Bassas da India (Iles Eparses): atoll, awash at high tide; shallow (15 m) lagoon Europa Island, Glorioso Islands, Juan de Nova Island ... |
| Babelthuap | Palau | varying geologically from the high, mountainous main island of Babelthuap to low, coral islands usually fringed by large barrier reefs |
| backed | Montenegro | highly indented coastline with narrow coastal plain backed by rugged high limestone mountains and plateaus |
| backed | 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 |
| Baku | Azerbaijan | ... Lowland) (much of it below sea level) with Great Caucasus Mountains to the north, Qarabag Yaylasi (Karabakh Upland) in west; Baku lies on Abseron Yasaqligi (Apsheron Peninsula) that juts into Caspian Sea |
| Balochistan | Pakistan | flat Indus plain in east; mountains in north and northwest; Balochistan plateau in west |
| Baltic | 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 ... |
| Baltic | European Union | fairly flat along the Baltic and Atlantic coast; mountainous in the central and southern areas |
| Banks | Jordan | mostly desert plateau in east, highland area in west; Great Rift Valley separates East and West Banks of the Jordan River |
| barren | Antarctica | about 98% thick continental ice sheet and 2% barren rock, with average elevations between 2,000 and 4,000 meters; mountain ranges up to nearly 5,000 meters; ice-free coastal areas include parts of ... |
| barren | Greenland | flat to gradually sloping icecap covers all but a narrow, mountainous, barren, rocky coast |
| barren | Libya | mostly barren, flat to undulating plains, plateaus, depressions |
| barren | Mauritania | mostly barren, flat plains of the Sahara; some central hills |
| barren | Qatar | mostly flat and barren desert covered with loose sand and gravel |
| barren | Saint Pierre and Miquelon | mostly barren rock |
| barren | South Georgia and the South Sandwich Islands | ... of the islands, rising steeply from the sea, are rugged and mountainous; South Georgia is largely barren and has steep, glacier-covered mountains; the South Sandwich Islands are of volcanic origin with ... |
| barren | United Arab Emirates | flat, barren coastal plain merging into rolling sand dunes of vast desert wasteland; mountains in east |
| barren | West Bank | mostly rugged dissected upland, some vegetation in west, but barren in east |
| barrier | Palau | varying geologically from the high, mountainous main island of Babelthuap to low, coral islands usually fringed by large barrier reefs |