1
: one that digests or makes a digest
2
: a vessel for digesting especially plant or animal materials

Examples of digester in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And a number of municipalities produce biogas with digesters and use it to generate electricity and heat through fuel cells. Martin Lamonica, IEEE Spectrum, 10 Feb. 2014 Two million gallons of manure ended up in the digester, which is stored at 101 degrees and the methane could power 800 cars or 800 homes per day. Sean Krofssik, Hartford Courant, 28 Jan. 2024 Large livestock operations are installing digesters that capture methane from manure to generate electricity or pipeline-quality gas. Aidan Connolly, Forbes.com, 14 Apr. 2026 The department doesn't believe the explosion was sparked by the wastewater treatment plant's digester gas, combustible materials, or any of the plant's operations' explosive hazards. Adam Thompson, CBS News, 10 June 2026 See All Example Sentences for digester

Word History

First Known Use

1614, in the meaning defined at sense 1

Time Traveler
The first known use of digester was in 1614

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Cite this Entry

“Digester.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/digester. Accessed 7 Jul. 2026.

Medical Definition

digester

noun
1
: one that digests
2
: a medicine or an article of food that aids digestion
3
also digestor : a vessel or apparatus for digesting
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