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digester

American  
[dih-jes-ter, dahy-] / dɪˈdʒɛs tər, daɪ- /

noun

  1. a person or thing that digests.

  2. Chemistry. Also digestor an apparatus in which substances are softened or disintegrated by moisture, heat, chemical action, or the like.


digester British  
/ dɪˈdʒɛstə, daɪ- /

noun

  1. chem an apparatus or vessel, such as an autoclave, in which digestion is carried out

  2. a less common word for digestant

  3. a person or thing that digests

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of digester

First recorded in 1570–80; digest + -er 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Instead, “that money went to this dairy digester program that does not benefit this area.”

From Los Angeles Times ● Oct. 23, 2025

And New York State requires large food businesses to donate excess edible food and recycle remaining scraps if they are within 25 miles of a composting facility or anaerobic digester.

From New York Times ● Jun. 12, 2024

The facility would not be the first of its kind in the Yakima Valley; a smaller anaerobic digester is in operation near Outlook.

From Seattle Times ● Jan. 2, 2023

Early this year, the prospect of a new digester in Rock Valley, Iowa, was heralded as a sustainable solution for nearby farming communities in the northwest corner of the state.

From Salon ● Nov. 5, 2022

The Cogia said, ‘Oh what a fine country is this of Conia, in which, whilst a man eats a tart, they put in a blow as a digester for every morsel.’ p.

From The Turkish Jester or, The Pleasantries of Cogia Nasr Eddin Effendi by George Henry Borrow

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