Definition of neuraminidase
: a hydrolytic enzyme that occurs on the surface of the pneumococcus, influenza-causing viruses, and some paramyxoviruses as an antigen and that splits mucoproteins by breaking a glucoside link
Recent Examples of neuraminidase from the Web
Scientists classify type A viruses into subtypes based on the combinations of the two molecules that cover the surface of the virus, hemagglutinin and neuraminidase.
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Origin and Etymology of neuraminidase
neuraminic acid, an amino acid + -ide + -ase
First Known Use: 1957See Words from the same year
Medical Definition of neuraminidase
: a hydrolytic enzyme that occurs on the surface of the pneumococcus, the orthomyxoviruses, and some paramyxoviruses and that cleaves terminal acetylated neuraminic acids from sugar residues (as in glycoproteins and mucoproteins)
Learn More about neuraminidase
Britannica.com: Encyclopedia article about neuraminidase
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