| acetous | 1. Having a sour taste; sour; acid. "An acetous spirit." . "A liquid of an acetous kind." 2. Causing, or connected with, acetification; as, acetous fermentation. Acetous acid, a name formerly given to vinegar. Origin: L. Acetum = vinegar, fr. Acere to be sour. Source: Websters Dictionary (01 Mar 1998) |
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