Definition of sialic acid in English:

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sialic acid

Pronunciation: /sīˌalik ˈasid/


A substance present in saliva that consists of acyl derivatives of neuraminic acid.
Example sentences
  • If scientists treat blood cells with an enzyme to remove sialic acid, the parasite can no longer invade.
  • Biochemical markers of metastasis such as lung hydroxyproline, uronic acid, serum sialic acid and gammaglutamyl transpeptidase were estimated.
  • Many pathogens use sugar groups of surface glycoproteins, in particular sialic acid residues, as receptors for invasion.


1950s: sialic from Greek sialon 'saliva' + -ic.

For editors and proofreaders

Syllabification: si·al·ic ac·id

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