The Collaborative International Dictionary
Fermenter \Fer*ment"er\, n. an apparatus for carrying out fermentation by a liquid suspension of microorganisms; a fermentation tank; as, an industrial fermenter.
Note: Laboratiory and industrial fermenters are usually equipped with a means of stirring the contained liquid so as to avoid settling of the fermenting organisms, and often have other, sometimes elaborate, mechanisms to control conditions of the fermentation, such as temperature, degree of aeration, or pH. The main structures of large industrial fermenters are typically made of steel.
Wiktionary
n. 1 Any organism, such as a yeast, that causes fermentation 2 A fermentor
Usage examples of "fermenter".
A single twenty-ton fermenter working at full capacity could produce enough spores to fill one missile in one or two days.
Their new line of fermenters might be worth our while to investigate, he intimated.
In the smokehouses there, devotees were preparing racks of fish and slices of monoclonal protein from the fermenters.
Centrifugal separators, fermenters, freeze dryers, BL4 containment equipment, even known pathogens and toxins, are all readily available on the export market for legitimate medical, agricultural, and industrial purposes.