catalytic agent
31leaven — n 1. leavening, ferment, barm, pepsin, soda; baking soda, baking powder, yeast, zyme, enzyme, zymogen; maltase, diastase, invertase, zymase. 2. catalyst, catalytic agent, agent, factor, element, determinant; transformer, modifier, alterer,… …
32Acetic fermentation — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
33Acetous fermentation — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
34Alcoholic fermentation — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
35Ammoniacal fermentation — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
36Bacillus subtilis — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
37Bacterium lactis — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
38Butyric fermentation — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
39enzymatic fermentation — Fermentation Fer men*ta tion (f[ e]r m[e^]n*t[=a] sh[u^]n), n. [Cf. F. fermentation.] 1. The process of undergoing an effervescent change, as by the action of yeast; in a wider sense (Physiol. Chem.), the transformation of an organic substance… …
40Ethylsulphuric — Eth yl*sul*phu rica. (Chem.) Pertaining to, or containing, ethyl and sulphuric acid. [1913 Webster] {Ethylsulphuric acid} (Chem.), an acid sulphate of ethyl, {H.C2H5.SO4}, produced as a thick liquid by the action of sulphiric acid on alcohol. It… …