
1) Autoclave 2) One who abridges books 3) Steriliser 4) Sterilizer
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https://www.crosswordclues.com/clue/digester

A digester is a huge vessel where chemical or biological reactions are carried out. These are used in different types of process industries. ==Processes where digesters are used== ...
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http://en.wikipedia.org/wiki/Digester

• (n.) One who digests. • (n.) A medicine or an article of food that aids digestion, or strengthens digestive power. • (n.) A strong closed vessel, in which bones or other substances may be subjected, usually in water or other liquid, to a temperature above that of boiling, in order to soften them.
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http://thinkexist.com/dictionary/meaning/digester/

1. One who digests. ... 2. A medicine or an article of food that aids digestion, or strengthens digestive power. 'Rice is . . . A great restorer of health, and a great digester.' (Sir W. Temple) ... 3. A strong closed vessel, in which bones or other substances may be subjected, usually in water or other liquid, to a temperature above that of boilin...
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http://www.encyclo.co.uk/local/20973

Tank used to contain biosolids during the anaerobic digestion process.
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Di·gest'er noun 1. One who digests.
2. A medicine or an article of food that aids digestion, or strengthens digestive power. « Rice is . . . a great restorer of health, and a great
digester .»
Sir W. Temple. 3. A strong closed vessel, in which bon...
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http://www.encyclo.co.uk/webster/D/64

[
n] - autoclave consisting of a vessel in which plant or animal materials are digested
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http://www.webdictionary.co.uk/definition.php?query=digester

In wastewater treatment, a closed tank; in solid-waste conversion, a unit in which bacterial action is induced and accelerated in order to break down organic matter and establish the proper carbon to nitrogen ratio.
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https://www.encyclo.co.uk/local/20094
noun autoclave consisting of a vessel in which plant or animal materials are digested
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https://www.encyclo.co.uk/local/20974
(Anaerobic) A device in which organic material is biochemically decomposed (digested) by anaerobic bacteria to treat the material and/or to produce biogas.
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https://www.encyclo.co.uk/local/22819

An airtight vessel or enclosure in which bacteria decomposes biomass in the absence of oxygen to produce biogas.
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https://www.encyclo.co.uk/local/22831

a person or thing that digests. · an apparatus in which substances are softened or disintegrated by moisture, heat, chemical action, or the like.
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https://www.infoplease.com/dictionary/digester
No exact match found.