bivalence noun.
[esp. Chemistry bʌɪ'veɪl(ǝ)ns, esp. Cytology 'bɪv(ǝ)l(ǝ)ns] L19.[from BI- + VALENCE noun1.]1. Chemistry &
Cytology. The quality of being divalent.
L19.2. Logic. The existence of only two truth values;
spec. in
principle of bivalence: that every proposition is either true or false.
M20. ■ bivalency noun L19. [TahlilGaran] English Dictionary ▲