a. Obs. [f. FERMENT sb. + -ACEOUS.] Having the properties of a ferment.

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1662.  J. Chandler, Van Helmont’s Oriat., 149. Its own strange fermentaceous Odour dwells every where.

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1682.  T. Gibson, Anat. (1697), 42. It [hunger] is caused from fermentaceous (or dissolving) particles partaking of acrimony.

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