bio·​di·​gest·​er ˌbī-(ˌ)ō-dī-ˈje-stər How to pronounce biodigester (audio)
: a device or structure in which the digestion of organic waste matter by bacteria takes place with the production of a burnable biogas and a nutrient-rich slurry
… the biodigester will convert table scraps from campus dormitories, manure from the campus dairy and plant waste from agricultural research fields into electricity.The Sacramento (California) Bee

Examples of biodigester in a Sentence

Recent Examples on the Web All of that waste is either processed via biodigesters or dehydrators, or offloaded on shore. Nathan Diller, USA TODAY, 7 May 2023 But next to the lagoon is a bizarre basin covered by an inflated tarp: the biodigester. Wendee Nicole, Discover Magazine, 21 Feb. 2014 That biodigester is amazing. Christopher Marquis, Forbes, 7 July 2021 Some of the food waste goes into a biodigester that breaks it down to turn it into biogas, which is then used to cook vegetables for waste workers to eat. Jennifer McDermott and Joeal Calupitan, Anchorage Daily News, 17 Mar. 2023 Bryant’s biodigester mixes the liquid inside to keep digesting bacteria in constant contact with the waste material. Wendee Nicole, Discover Magazine, 21 Feb. 2014 Manure in the barns is flushed into the biodigester. Wendee Nicole, Discover Magazine, 21 Feb. 2014 Patina has its own biodigester that turns a large portion of the waste from around the island -- including its 12 restaurants -- into rich compost, which is then used in Roots' garden. Maggie Hiufu Wong, CNN, 30 Oct. 2022 The fish waste goes through a biodigester, where bacteria converts it into fertilizer for the plants; the fish themselves, along with the greens, head to market. David Wallace-Wells, New York Times, 26 Oct. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biodigester.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of biodigester was in 1973

Dictionary Entries Near biodigester

Cite this Entry

“Biodigester.” Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

Love words? Need even more definitions?

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