trivalent adjective & noun.
[esp. Chem. trʌɪ'veɪlǝnt, esp. Cytol. 'trɪv-] M19.[from TRI- + -VALENT.]A. adjective.
1. Chemistry. Having a valency of three.
M19.2. Cytology. That is (part of) a trivalent.
E20.3. Immunology. Of a vaccine: giving immunity against three strains of an infective agent.
M20.b. noun.
Cytology. A multivalent consisting of three chromosomes.
E20. ■ trivalence,
■ trivalency nouns the quality of being trivalent
L19. [TahlilGaran] English Dictionary ▲