AskDefine | Define plaque

Dictionary Definition



1 (pathology) a small abnormal patch on or inside the body
2 a memorial made of brass [syn: brass, memorial tablet]

User Contributed Dictionary




  1. Any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch.
  2. an accumulation of bacteria on teeth
  3. an accumulation of fat, usually cholesterol, in blood vessels
  4. a clearing in a bacterial lawn caused by a virus


accumulation of bacteria on teeth



fr-noun f
  1. plaque (bacteria on teeth)
  2. plaque, slab (ornamental)
  3. plate (of metal)
  4. plate (especially a tectonic plate)
  5. bar (of e.g. chocolate)

Extensive Definition

Plaque or placque may refer to:
  • Commemorative plaque, a flat ornamental plate or tablet fixed to a wall, used to mark a significant event, person, etc.
  • Memorial plaque, issued to next-of-kin of dead British military personnel after WWI
  • Plaque, a rectangular Casino token
  • Actiplaque, a dark blotchy buildup often found on Atari game cartridge labels
In biology:
  • Dental plaque, a biofilm that builds up on teeth
  • Atheromatous plaque, a buildup of fatty deposits within the wall of a blood vessel
  • Mucoid plaque, a supposed thick coating of abnormal mucous material in the colon
  • Viral plaque, a visible structure formed by virus propagation within a cell culture
  • Senile plaques, an extracellular protein buildup implicated in various diseases like Alzheimer's disease or Parkinson's disease
  • Plaque, a (usually) small, disk-shaped growth, common in some forms of skin cancer
  • Pleural plaque, pleural fibrosis, often caused by exposure to asbestos

See also

plaque in Min Nan: Khí-khún-pan
plaque in German: Plaque
plaque in Spanish: Placa
plaque in French: Plaque
plaque in Galician: Placa
plaque in Dutch: Plaque
plaque in Simple English: Plaque

Synonyms, Antonyms and Related Words

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