bio·​foul·​ing | \ ˌbi-(ˌ)ō-ˈfau̇-liŋ How to pronounce biofouling (audio) \

Definition of biofouling

: 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 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 The nets were carrying up to 110 tons of biofouling. Lynda V. Mapes, The Seattle Times, 2 Feb. 2018 Desiccation, or removing the baskets from the water once a week, is required to control biofouling of baskets and oysters. Guest Voices,, 29 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biofouling.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biofouling

1943, in the meaning defined above

Learn More About biofouling

Time Traveler for biofouling

Time Traveler

The first known use of biofouling was in 1943

See more words from the same year

Dictionary Entries Near biofouling




See More Nearby Entries 

Statistics for biofouling

Cite this Entry

“Biofouling.” Dictionary, Merriam-Webster, Accessed 18 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!