hemagglutinin
noun
hem·ag·glu·ti·nin
ˌhē-mə-ˈglü-tə-nən 
: an agglutinin (such as an antibody or viral capsid protein) that causes hemagglutination
Examples of hemagglutinin in a Sentence
Recent Examples on the Web
Scientists classify bird flu viruses by which kind of two key proteins are inside of them: the hemagglutinin, like H5 or H3, and the neuraminidase, like N1 or N9.
—
Alexander Tin, CBS News, 28 Jan. 2025
What To Know The CDC's analysis revealed changes in the hemagglutinin (HA) gene, a critical component for the virus's ability to attach to host cells.
—David Faris, Newsweek, 27 Dec. 2024
Therefore, hemagglutinins have the ability to cause red blood cells to clump together.
—Mark Kortepeter, Forbes, 25 Dec. 2024
Flu viruses are classified based on two proteins that sit on the surface of the virus an H, or hemagglutinin, protein, and an N, or neuraminidase, protein.
—Carma Hassan, CNN, 7 Sep. 2024
See all Example Sentences for hemagglutinin 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alexander Tin, CBS News, 28 Jan. 2025
What To Know The CDC's analysis revealed changes in the hemagglutinin (HA) gene, a critical component for the virus's ability to attach to host cells.
—David Faris, Newsweek, 27 Dec. 2024
Therefore, hemagglutinins have the ability to cause red blood cells to clump together.
—Mark Kortepeter, Forbes, 25 Dec. 2024
Flu viruses are classified based on two proteins that sit on the surface of the virus an H, or hemagglutinin, protein, and an N, or neuraminidase, protein.
—Carma Hassan, CNN, 7 Sep. 2024
See all Example Sentences for hemagglutinin
Dictionary Entries Near hemagglutinin
Cite this Entry
“Hemagglutinin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemagglutinin. Accessed 12 Feb. 2025.
Copy CitationMedical Definition
hemagglutinin
noun
hem·ag·glu·ti·nin
ˌhē-mə-ˈglüt-ᵊn-ən
variants
also hemoagglutinin
or chiefly British haemagglutinin
also haemoagglutinin
: an agglutinin (as an antibody or viral capsid protein) that causes hemagglutination
—abbreviation HA
compare leukoagglutinin
Love words? Need even more definitions?
Merriam-Webster unabridged
Share