Adjective
Multivalent.
Source: Webster's dictionarya polyvalent vaccine Source: Internet
On the other hand, when monovalent ions, such as sodium, invade and displace the polyvalent cations, they weaken the positive charges on the edges, while the negative surface charges are relatively strengthened. Source: Internet
Valence Vaccines may be monovalent (also called univalent) or multivalent (also called polyvalent). Source: Internet
In contrast, a group of antibodies can be called polyvalent (or unspecific) if they have affinity for various antigens or microorganisms. Source: Internet
The clay particles contain polyvalent cations which give the faces of clay layers localized negative charges. Source: Internet