zymasePronunciation: /ˈzʌɪmeɪz/Definition of zymase noun [mass noun] Biochemistry a mixture of enzymes obtained from yeast which catalyse the breakdown of sugars in alcoholic fermentation. Origin: late 19th century: from French, from Greek zumē 'leaven'zymase in other Oxford dictionaries Definition of zymase in the US English dictionary
