noun
A person who studies the ocean and its ecosystems, including marine life, geology, and ocean currents.
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The oceanographer conducted research on the effects of climate change on marine ecosystems.
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My cousin is an oceanographer who studies the ocean and its inhabitants.
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Dude, that oceanographer knows everything about the sea creatures, it's insane!
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As an oceanographer of emotions, she delved deep into the turbulent waters of human relationships.