Zymology is the study of zymurgy (from the Greek: ζύμωσις+ἔργον, the workings of fermentation), the area of applied science related to fermentation. It deals with the biochemical processes involved in fermentation, with yeast and bacteria selection and physiology, and with the practical issues of fermentation, including brewing, wine making, fermenting milk and other fermented foods. Zymology is also known as zymurgy.