Definition of teichoic acid in English:

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teichoic acid

Pronunciation: /tīˈkō-ik/ Pronunciation: /tā-/


A compound present in the walls of Gram-positive bacteria. It is a polymer of ribitol or glycerol phosphate.
Example sentences
  • The ribitol teichoic acid is usually in the cell wall, and the glycerol teichoic acid is in the cell membrane, the periplasmic region, or in the cell.
  • Both the teichoic acid and the lipoteichoic acid contain phosphorylcholine; two choline residues may be covalently added to each carbohydrate repeat.
  • Ribitol teichoic acid is an important component of Staphylococcus aureus cell wall.


1950s: teichoic from Greek teikhos 'wall' + -ic.

For editors and proofreaders

Syllabification: tei·cho·ic ac·id

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