biofouling

noun

bio·​foul·​ing ˌbī-(ˌ)ō-ˈfau̇-liŋ 

: the gradual accumulation of waterborne organisms (such as bacteria and protozoa) on the surfaces of engineering structures in water that contributes to corrosion of the structures and to a decrease in the efficiency of moving parts

Examples of biofouling in a Sentence

Recent Examples on the Web

The researchers also call for governments, the maritime industry and others to strengthen biofouling management. — Christopher Cann, USA Today, 2 Aug. 2026

When ships are idle for more than 10 days, biofouling can progress rapidly as antifouling coatings become compromised by lack of movement. — Abhishek Bhardwaj, Interesting Engineering, 29 July 2026

The combination of extensive biofouling growth, species accumulation and the sheer number, size and global reach of affected vessels has created an immense international biosecurity threat, according to the paper. — Julia Jacobo, ABC News, 25 July 2026

Better approaches to mitigate biofouling (fouling of pipes by barnacles or algae), corrosion, and other degradation during long deployments. — Courtney Linder, Popular Mechanics, 16 Mar. 2020

Word History

First Known Use

1943, in the meaning defined above

Rhymes for biofouling

• antifouling
• cowling
• fouling
• fowling
• howling
• prowling
• scowling
• towelling