fermenter

noun

fer·​men·​ter (ˌ)fər-ˈmen-tər 

1

: an organism that causes fermentation

2

or fermentor

(ˌ)fər-ˈmen-tər 

: an apparatus for carrying out fermentation

Examples of fermenter in a Sentence

Recent Examples on the Web

Now, the company's stills, fermenters and other products incur a 50% tax for crossing the border, co-founder Darcy Lane said. — ABC News, 15 Sep. 2026

The production floor also holds a 500-gallon mash tun and fermenters of the same size. — Noel Burgess, Forbes.com, 20 July 2026

Of course, Macy is not actually spending late nights at the distillery twisting knobs and loading the wash into fermenters. — Jonah Flicker, Robb Report, 14 June 2026

Other entries follow an expert forager and fermenter in Southern California, adaptive mountain bikers challenging their disabilities in Vermont and native bees in California, which are seeing their populations drastically dwindle. — Randy McMullen, Mercury News, 23 Apr. 2026

Word History

First Known Use

1918, in the meaning defined at sense 1

Medical Definition

fermenter

noun

fer·​men·​ter (ˌ)fər-ˈment-ər 

1

: an organism that causes fermentation

2

or fermentor : an apparatus for carrying out fermentation