Chem. (Not in use.) [f. SUB- 23 + SALT sb.1 Cf. F. sous-sel.] A basic salt.
1806. G. Adams Nat. & Exp. Philos. (Philad.), I. App. 547. Some [salts] are formed by an excess of their base and hence termed sub-salts.
1849. D. Campbell, Inorg. Chem., 5. Salts with less acid than base, are named basic salts, or subsalts, and are distinguished according to the proportion of base to acid; as bibasic subsalts, or tribasic subsalts.
1857. Miller, Elem. Chem., Org., x. 595. Ferridcyanide of potassium gives with subsalts of mercury a brownish red.