a. Chem. [f. UNI- + L. valent-em, pr. pple. of valēre to be worth.] Having a valency of one; having the combining power of one atom of hydrogen or other radical.
Also, in recent Dicts. (1891–), univalence, univalency.
1869. Eng. Mech., 19 Nov., 222/1. A univalent body can only join its single atom to a single atom of a univalent body.
1872. Watts, Dict. Chem., VI. 243. Chlorine is univalent in argentic chloride.
1893. 19th Cent., Aug., 249. Each atom of potassium is univalent, and has the same valency as one atom of hydrogen.
