Fermentation in food processing is the process of converting carbohydrates to alcohol or organic acids using microorganismsâyeasts or bacteriaâunder anaerobic conditions. Fermentation usually implies that the action of microorganisms is desired. The science of fermentation is known as zymology or zymurgy.
Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated âthat is, become heavy enough to fall under gravity. Rain is a major component of the water cycle and is responsible for depositing most of the fresh water on the Earth.
Rain and rainfall in the UK. Find out more about types of precipitation - including rain, snow, sleet and hail - and what causes it to fall. The definition of precipitation is any form of water - liquid or solid - falling from the sky. Find out how much rain we get in the UK and where gets the most rainfall.