1. to cause red blood cells to clump or stick together
Usage: technical; medical/scientific

Examples

• Certain viruses can hemagglutinate red blood cells in laboratory tests.
• The antibodies hemagglutinate the patient's blood sample, indicating a positive reaction.
• Influenza virus particles hemagglutinate avian red blood cells efficiently.
• The test showed that the serum would hemagglutinate sheep erythrocytes.
• Researchers used hemagglutinating agents to study blood type compatibility.