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marine biology

American  
[muh-reen-bahy-ahl-uh-jee] / məˈrin baɪˌɑl ə dʒi /

noun

  1. the branch of biology dealing with organisms that live in the ocean.


marine biology Scientific  
  1. The scientific study of organisms living in or dependent on the oceans.


Other Word Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The Italian divers included a marine biology professor with many years of experience, her daughter, two young researchers, and their Maldives-based guide.

From Barron's May 21, 2026

After graduating with a degree in marine biology from the University of Stirling, he took on a number of diving jobs.

From BBC Apr. 8, 2026

Mr. Ellis had no formal training in marine biology, conservation, painting or writing.

From New York Times May 29, 2024

Jesse Johnson, 19, a marine biology major, said he also supports the protests — even with the uncertainty about his grades.

From Los Angeles Times May 20, 2024

He knew that Siasconset on Nantucket Island was pronounced "Sconset," and he had read reports on marine biology from Woods Hole.

From The Conquest of America A Romance of Disaster and Victory by Moffett, Cleveland

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