a substance capable of bringing about fermentation
cause to undergo fermentation; "We ferment the grapes for a very long time to achieve high alcohol content"; "The vintner worked the wine in big oak vats"
work up into agitation or excitement; "Islam is fermenting Africa"
be in an agitated or excited state; "The Middle East is fermenting"; "Her mind ferments"
(cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 centigrade or -459.67 Fahrenheit