Dictionary.com
Thesaurus.com

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:

At Island School in the Bahamas, students scuba dive to study marine biology and sustainability.

From The Wall Street Journal ● Sep. 14, 2026

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

The University of Genoa later said the victims included a marine biology professor, her daughter and two young researchers.

From BBC ● May 14, 2026

“To me, all of climate, environmental communication is about how can we repeat each other’s successes and avoid others’ failures,” said Johnson, who has studied marine biology for about 12 years.

From Los Angeles Times ● Sep. 12, 2024

"Shrimp!" he said contemptuously, with the convinced air of an expert in marine biology.

From Bunker Bean by Harry Leon Wilson

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training