word | | Terrain |
| northwest | Vietnam | low, flat delta in south and north; central highlands; hilly, mountainous in far north and northwest |
| Nova | French Southern and Antarctic Lands | ... Eparses): atoll, awash at high tide; shallow (15 m) lagoon Europa Island, Glorioso Islands, Juan de Nova Island: low, flat, and sandy Tromelin Island (Iles Eparses): low, flat, sandy; likely volcanic seamount |
| number | French Southern and Antarctic Lands | ... Ile Kerguelen is composed of rugged terrain of high mountains, hills, valleys, and plains with a number of peninsulas stretching off its coasts Bassas da India (Iles Eparses): atoll, awash at high ... |
| numerous | 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 |
| oases | Kazakhstan | ... the Volga in the west to the Altai Mountains in the east and from the plains of western Siberia in the north to oases and deserts of Central Asia in the south |
| ocean | Arctic Ocean | ... but more than doubles in size during the winter and extends to the encircling landmasses; the ocean floor is about 50% continental shelf (highest percentage of any ocean) with the remainder a ... |
| ocean | Atlantic Ocean | ... system of currents) in the northern Atlantic, counterclockwise warm-water gyre in the southern Atlantic; the ocean floor is dominated by the Mid-Atlantic Ridge, a rugged north-south centerline for the ... |
| Ocean | 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 ... |
| ocean | Pacific Ocean | ... winter; in the southern Pacific, sea ice from Antarctica reaches its northernmost extent in October; the ocean floor in the eastern Pacific is dominated by the East Pacific Rise, while the western ... |
| Ocean | Saint Helena | the islands of this group result from volcanic activity associated with the Atlantic Mid-Ocean Ridge Saint Helena: rugged, volcanic; small scattered plateaus and plains Ascension: surface covered by lava flows and ... |