0 present participle of ferment --
1 If food or drink ferments or if you ferment it, the sugar in it changes into alcohol because of a chemical process: --
The state of unrest in which the whole world was put and the new ideas that were fermenting, were naturally bad for the working of the reforms.
We were fermenting grapes thousands of years ago.
Not less than three non-lactose fermenting colonies were examined from each plate showing typical salmonella growth characteristics.
In the meantime, this whole mass of material is fermenting, until finally it is wasted and goes bad.
It seemed that his speech had been fermenting for some while, and it took him more than a little while to make it.
The difficulty is that in some of these publications the very clever technique is being used of pretending to eschew violence while actually fermenting it.
It has been fermenting away for many years.
Florida also benefited from the reduction in tariffs on intermediate goods, since beer production is highly intensive in imported inputs, including malted cereal grain, hops and fermenting chemicals.