Sŭb'salt, n.

noun

n. [Prefix sub and salt.] (Chem.) (a.) An oxysalt containing a less number of equivalents of the acid than of the base, or in which the latter is a suboxide. (b.) A haloid salt, or analogous compound, in which the number of equivalents of the electro-negative constituent is less than that of the electro-positive constituent.