1. having multiple uses, meanings, or applications; versatile
2. effective against multiple strains of a pathogen or multiple diseases
Usage: medical; immunology
3. having a valence of more than one; capable of combining with more than one atom of hydrogen
Usage: chemistry

Examples

• The polyvalent vaccine protects against several strains of influenza.
• This polyvalent tool can function as both a screwdriver and a bottle opener.
• The artist’s polyvalent approach combines painting, sculpture, and digital media.
• Polyvalent metals like iron can form compounds with different oxidation states.
• The polyvalent nature of the word makes it useful in various contexts.
• Researchers developed a polyvalent antiserum effective against multiple toxins.