Definition of ocean in English:

ocean

noun

  • 1A very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.

    ‘the Atlantic Ocean’
    • ‘Scientists say some bugs have traveled hundreds of miles across calm tropical oceans.’
    • ‘This area was one of the most remote and least traveled expanses of the world oceans.’
    • ‘Well, the Atlantic ocean is 1700 miles wide at its shortest point.’
    • ‘Lazarus looked out and could see a huge vast ocean in front of him.’
    • ‘Mr Hempleman-Adams finally succeeded in crossing the ocean without mishap after two aborted attempts.’
    • ‘We are trying to cross the ocean in a cardboard canoe.’
    • ‘Living in the world's warmer oceans, it feeds on plankton and is harmless to humans.’
    • ‘Over a strip of the sea, next to the beach, over the ocean, under the blue, big skies, Nana lived.’
    • ‘We stopped on a cliff overlooking the blue ocean.’
    • ‘I, like many a sailor before me, became overawed by this magnificent bird when sailing the southern oceans.’
    • ‘She noted the large windows around the outer wall which overlooked the vast ocean.’
    • ‘At that point, the oceans ceased to be geographical barriers, and like the smaller seas before them opened up into highways.’
    • ‘Carl was on his cell phone, looking out to the wide open ocean.’
    • ‘Discover California's beach communities and enjoy lunch in a restaurant overlooking the Pacific ocean.’
    • ‘If the world's oceans warm up, it's also possible that the upper atmosphere will also warm up.’
    • ‘Further out, the mighty Atlantic ocean churned dirty grey and cold.’
    • ‘Right whales in the Pacific and Atlantic oceans were hunted nearly to extinction before coming under international protection in 1949.’
    • ‘To the north of our house is the ocean, and the lighthouse sits on a cliff above a pretty little inlet beach overlooking the ocean.’
    • ‘They are found in the tropical and subtropical waters of oceans around the world.’
    • ‘They, and others since them, have been willing to cross oceans in search of liberty.’
    sea, the sea
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    1. 1.1the oceanNorth American The sea.
      ‘they scramble across the beach to the ocean and plunge into the surf’
      • ‘The long grass ripple like the ocean waves under the surprisingly gentle sea breeze.’
      • ‘We sailed to the end of the bay and still could see straight to the ocean floor.’
      • ‘Clustered on the ocean floor, they seemed to watch me with an infinite and wary gaze.’
      • ‘The ocean floor isn't the only environment Schilling Robotics is targeting, however.’
      • ‘The fish dived as one for the ocean floor and capsized the boat.’
      • ‘This cold water from deep off the ocean floor brings many nutrients to the surface.’
      • ‘Beneath the waters of the Izu, the ocean floor is a glowing carpet of colour and variety.’
      • ‘Usually the organisms just dump the electrons onto iron or sulphate minerals on the ocean floor.’
      • ‘Discarded nets drift through the sea and continue to kill fish on the ocean floor.’
      • ‘Striding from the beach and into the ocean, Ikeda paused as waves lapped around his ankles.’
      • ‘Mussels, for instance, hold themselves tight to the ocean floor using strong threads.’
      • ‘How deep were you when you got out of your vehicle and did a solo walk on the ocean floor?’
      • ‘She turned fast and broke into a dead sprint across the ocean's surface.’
      • ‘He looked down and saw the phoenix talisman that he had found on the ocean floor.’
      • ‘The pole was anchored solidly to the floor of the ocean and rose about twenty feet into the air.’
      • ‘At the same time, many such shells may dissolve before they even reach the ocean floor.’
      • ‘The normal-sense shears are confined to the gabbro block and may represent relict ocean floor faulting.’
      • ‘There we had a room that looked straight onto the beach and the ocean beyond: idyllic.’
      • ‘I stood up, grabbing my jacket as protection against the soft ocean breeze.’
      • ‘This guy up here is a very close relative of the roly-poly, only it lives in the deep sea along the ocean floor.’
    2. 1.2an ocean of/oceans ofinformal A very large expanse or quantity.
      ‘she had oceans of energy’
      • ‘The Holy Qur' an is an ocean of divine knowledge.’
      • ‘This image marks a time in history not only for Yes, but a passage in the oceans of time.’
      a lot, a great amount, a large amount, a good deal, a great deal, plenty, quantities, an abundance, a profusion
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Origin

Middle English: from Old French occean, via Latin from Greek ōkeanos ‘great stream encircling the earth's disc’. ‘The ocean’ originally denoted the whole body of water regarded as encompassing the earth's single land mass.

Pronunciation

ocean

/ˈəʊʃ(ə)n/