A person who studies oceanography, the science of oceans(noun)
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Use "oceanographer" in a sentence
"This is not just a random event, said James Overland, a NOAA oceanographer, at a teleconference on Thursday."
"The ducks' aquatic wanderings have been mapped to reveal all of this by Curtis Ebbesmeyer, a retired oceanographer who specialises in plotting the ocean's surface currents by tracking debris."
"- Young learners will find out what life is like deep below the ocean as this renowned oceanographer who co-led the Titanic exploration reveals the wonders of his fascinating undersea journeys."