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  1. Sea - Wikipedia

    The sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans. [1] However, the word "sea" can also be used for many specific, …

  2. SEA Definition & Meaning - Merriam-Webster

    The meaning of SEA is a great body of salt water that covers much of the earth; broadly : the waters of the earth as distinguished from the land and air. How to use sea in a sentence.

  3. Ocean vs. Sea: What’s the Difference? - Encyclopedia Britannica

    Mar 4, 2026 · Oceans are huge, deep, continuous saltwater bodies. Seas are smaller, shallower, and partially enclosed by land.

  4. Sea - New World Encyclopedia

    The sea is essential for life, and provides substantial supplies of food for human beings, mainly fish, but also shellfish, mammals, and seaweed, whether caught by fishermen or farmed underwater.

  5. Sea - National Geographic Society

    Oct 19, 2023 · In general, a sea is defined as a portion of the ocean that is partly surrounded by land. Given that definition, there are about 50 seas around the world. But that number includes water …

  6. The Deep Sea | Smithsonian Ocean

    Pockets of life thrive when food is available, and often these distinct deep sea communities rely on alternate sources of chemical energy that do not originate from the sun—they have figured a way to …

  7. SEA | definition in the Cambridge English Dictionary

    SEA meaning: 1. the salty water that covers a large part of the surface of the earth, or a large area of salty…. Learn more.

  8. National Oceanic and Atmospheric Administration Home

    U.S. Department of Commerce This survey is designed to measure your level of satisfaction with our website. It consists of seven questions and should take approximately two to five minutes to …

  9. Deep-Sea Life and Habitats - Deep Sea Conservation Coalition

    Seamounts are underwater mountains that rise from the seabed without breaking the surface. They are biodiversity hotspots in the vast ocean that swirls around them, each one acting like a unique oasis in …

  10. SEA Definition & Meaning | Dictionary.com

    A sea is a huge body of salt water, typically a part of the ocean that's near land. Much grander than a lake or river, a sea can appear open and endless when you view it from the shore.