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, "What Does the U.S. Military Want with Robot Manta Ray Subs?," 16 Mar. 2020 The nets were carrying up to 110 tons of biofouling. Lynda V. Mapes, The Seattle Times, "Fish farm caused Atlantic salmon spill near San Juans, then tried to hide how bad it was, state says," 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,, "Oyster farmer's guide to pier growing and becoming a rock star," 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.

See More

First Known Use of biofouling

1943, in the meaning defined above

Keep scrolling for more

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

Statistics for biofouling

Cite this Entry

“Biofouling.” Dictionary, Merriam-Webster, Accessed 16 May. 2021.

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

Comments on biofouling

What made you want to look up biofouling? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Spell It

Can you spell these 10 commonly misspelled words?

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!