Definitions for salts
The Nuttall Encyclopedia
in chemistry an important class of compound substances formed by the union of an acid with a metal or a base, that is, a substance having, like a metal, the power of replacing in part or in whole the hydrogen of the acid employed.
U.S. National Library of Medicine
Substances produced from the reaction between acids and bases; compounds consisting of a metal (positive) and nonmetal (negative) radical. (Grant & Hackh's Chemical Dictionary, 5th ed)