haemagglutinate
verb: To cause the clumping together or agglutination of red blood cells.
Example Sentence: The viral infection haemagglutinated the red blood cells, leading to decreased oxygen transport in the patient's body.
noun: A substance or agent that induces agglutination of red blood cells.
Example Sentence: The scientist discovered a new potent haemagglutinate in the patient's blood sample, suggesting the presence of a severe infection.
adjective: Describing the ability of a virus or other substance to cause agglutination of red blood cells.
Example Sentence: The haemagglutinate property of the virus made it easier for medical professionals to identify the specific pathogen causing the outbreak.