(definition) by Webster 1913 Tue Dec 21 1999 at 21:37:35

A*cid"u*lous (#), a. [L. acidulus, dim. of acidus. See Acid.]

Slightly sour; sub-acid; sourish; as, an acidulous tincture.

E. Burke.

Acidulous mineral waters, such as contain carbonic anhydride.

 

© Webster 1913.

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