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Plaque

plak

Plaque definitions
noun
plaque plaques
  1. an ornamental tablet, typically of metal, porcelain, or wood, that is fixed to a wall or other surface in commemoration of a person or event
  2. a sticky deposit on teeth in which bacteria proliferate

    "plaque around gum margins can lead to gingivitis"

  3. a small, distinct, typically raised patch or region on or within the body resulting from local damage or deposition of material, such as a fatty deposit on an artery wall in atherosclerosis or a site of localized damage of brain tissue in Alzheimer's disease
    • a clear area in a cell culture caused by the inhibition of growth or destruction of cells by an agent such as a virus
  4. a flat counter used in gambling