Plaque Definition & Meaning | Britannica Dictionary

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The Britannica Dictionary plaque 1 ENTRIES FOUND:

• plaque (noun)

plaque /ˈplæk/ noun plural plaques plaque /ˈplæk/ noun plural plaques Britannica Dictionary definition of PLAQUE 1 [count] : a flat, thin piece of metal or wood with writing on it that is used especially as a reminder of something (such as a historic event or an achievement)

• A bronze plaque marked the city's oldest building.
• They gave him a plaque in honor of his 30 years of service.

[+] more examples [-] hide examples [+] Example sentences [-] Hide examples 2 a [noncount] : a thin coating that forms on teeth and contains bacteria

• Brushing your teeth prevents the buildup of plaque.

[+] more examples [-] hide examples [+] Example sentences [-] Hide examples b [count] medical : a change in brain tissue that occurs in Alzheimer's disease

• The scientists are studying the way the plaques form.

[+] more examples [-] hide examples [+] Example sentences [-] Hide examples c [noncount] medical : a harmful material that can form in arteries and be a cause of heart disease ASK THE EDITOR

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