Atlantic Ocean

American  

[at-lan-tik oh-shuhn] / ætˈlæn tɪk ˈoʊ ʃən /

Often the Atlantic

noun

1. an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere, with its deepest section in the Puerto Rico Trench: divided by the equator into the North Atlantic Ocean and the South Atlantic Ocean. 32,870,000 square miles (85,133,000 square kilometers).

---

Atlantic Ocean British  

noun

1. the world's second largest ocean, bounded in the north by the Arctic, in the south by the Antarctic, in the west by North and South America, and in the east by Europe and Africa. Greatest depth: 9220 m (30 246 ft). Area: about 81 585 000 sq km (31 500 000 sq miles)

---

Atlantic Ocean Cultural  

1. Second-largest ocean in the world, separating North America and South America on the west from Europe and Africa on the east.

---

Etymology

Origin of Atlantic Ocean

First recorded in 1600–10

Example Sentences

See Examples For:

Atlantic Ocean

A major Atlantic Ocean current is slowing, and the consequences could reach far beyond the Atlantic.

From Science Daily ● Jul. 28, 2026

The prize for a side representing a group of 10 islands in the Atlantic Ocean will be to face defending champions Argentina in the last 32.

From BBC ● Jun. 27, 2026

During the northern hemisphere summer, warm waters associated with El Nino can fuel hurricanes in the central and eastern Pacific, while hindering their development in the Atlantic Ocean.

From Barron's ● Jun. 2, 2026

Researchers from the University of Edinburgh sought answers by examining more than 20 years of ocean sampling data collected from Fram Strait, a key passage where Arctic waters flow into the Atlantic Ocean.

From Science Daily ● May 28, 2026

At the Pentagon, on a wall-sized map of the Atlantic Ocean, young men used long poles to plot the latest locations of American and Soviet ships.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin