polyvalent serum
n.
An antiserum obtained from an animal that has been inoculated with several species or strains of a bacterium.
Words nearby polyvalent serum
polyunsaturated,
polyurethane,
polyuria,
polyvalent,
polyvalent allergy,
polyvalent serum,
polyvalent vaccine,
polyvinyl,
polyvinyl acetal,
polyvinyl acetate,
polyvinyl alcohol