hydrosalt

from The Century Dictionary.

• noun Same as acid salt (which see, under salt).

from the GNU version of the Collaborative International Dictionary of English.

• noun rare, rare A salt supposed to be formed by a hydracid and a base.
• noun rare An acid salt.
• noun A hydrous salt; a salt combined with water of hydration or crystallization.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun chemistry A salt supposed to be formed by a hydracid and a base.
• noun chemistry An acid salt.
• noun chemistry A hydrous salt; a salt combined with water of hydration or crystallization.