plaque

Pronunciation

• (UK) IPA ^(key): /plɑːk/ or /plæk/
• (US) IPA ^(key): /plæk/ or [pʰl̥æk]
• (AU) IPA ^(key): /plaːk/

• Audio (AU)

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• Audio (US)

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Noun

Singular plaque

Plural plaques

1. (countable) A plaque is a piece of flat metal with words on it, and is attached to a building or monument so as to remind people of a person or an event.
2. (uncountable) (dentistry) Plaque is an accumulation of bacteria on teeth that may develop into dental calculus.
   • Synonym: tartar
3. (countable) (pathology) A plaque is a wide patch of abnormal tissue that is distinguishable from its surrounding.

• 
  A plaque (sense 1) marking the house in Spain, where composer Reveriano Soutullo lived.
• 
  Plaque (sense 2) on teeth
• 
  A reddish plaque (sense 3) on the face caused by Bowen's disease