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

He said the investigation stems from a miscommunication with a fellow-beach goer that took place while he and his teenage daughter, who is interested in marine biology, were looking at a dead seal.

From Los Angeles Times ● Oct. 2, 2025

Learning the craft in Nigeria, while studying for a marine biology degree, she stood out from the crowd with her dyed-gold hair and pink boots.

From BBC ● Dec. 13, 2024

I see you need a course in marine biology.

From To Choke an Ocean by Jesse F. (Jesse Franklin) Bone

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