POLYVALENCE
polyvalence, polyvalency
(noun) (toxicology) the state of being capable of counteracting more than one toxin or antigen or kind of microorganism
polyvalence, polyvalency, multivalence, multivalency
(noun) (chemistry) the state of having a valence greater than two
Source: WordNet® 3.1
Etymology
Noun
polyvalence (countable and uncountable, plural polyvalences)
(countable) The state of being polyvalent.
(countable) Congruence with polyvalency.
(uncountable, music) A quality of music that is played in more than one harmonic function in the same key.
Source: Wiktionary