Zymometer \Zy*mom"e*ter\, Zymosimeter \Zy`mo*sim"e*ter\, n. [Gr.
? ferment, or ? fermentation + -meter: cf. F.
zymosim[`e]tre.]
An instrument for ascertaining the degree of fermentation
occasioned by the mixture of different liquids, and the
degree of heat which they acquire in fermentation.
[1913 Webster]