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  1. Oxford American Dictionary

    plaque

    • IPA[plak]

    美式

    • n.
      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.；a sticky deposit on teeth in which bacteria proliferate

    • noun: plaque, plural noun: plaques

    • 釋義

    名詞

    • 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 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.