1. having a valence of one; capable of combining with one atom of hydrogen or its equivalent
Usage: chemistry
2. effective against a single strain or type of microorganism
Usage: medicine; immunology

Examples

• Sodium is a monovalent metal that readily loses one electron.
• Chlorine is monovalent in sodium chloride.
• The monovalent vaccine targets only one strain of the virus.
• Hydrogen is the simplest monovalent element.
• The researcher developed a monovalent antibody for the specific pathogen.
• Monovalent ions carry a single positive or negative charge.