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

• marine biological
  adjective
• marine biologist
  noun

Example Sentences

The ship pairs advanced scientific research with high-end media content to make marine biology and conservation accessible.

From Barron's • Jan. 26, 2026

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

Lundberg, who has a marine biology degree from the University of South Florida and now works at a prominent Tampa cancer center, is optimistic he’ll be able to keep the tusk.

From Seattle Times • Jun. 6, 2024

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

From New York Times • May 29, 2024

The first effort made to free marine biology from these limitations was the use of the dredge, which was built much on the plan of the oyster dredge.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7 "Drama" to "Dublin" by Various