1. plural of fermentation; the chemical breakdown of substances (especially sugars) by microorganisms such as bacteria or yeast, typically producing gas, heat, or alcohol
Usage: commonly used in biology, chemistry, and food science contexts
2. plural of fermentation; a state of agitation, excitement, or unrest
Usage: figurative use

Examples

• The fermentations in the wine barrels produced complex flavors over several months.
• Yeast fermentations are essential to bread-making and beer production.
• The city experienced political fermentations during the election season.
• Different fermentations occur at different temperatures, affecting the final product.
• Lactic acid fermentations are used to preserve vegetables like cabbage and cucumbers.
• The fermentations of social unrest eventually led to significant reforms.