plaque
A plaque is a sign that memorializes a person or event, such as the plaque on a building noting the person it’s named after or the year it was built.
Plaque comes from the French word for “plate,” meaning not a dinner plate, but a little brass or tin plate that can be mounted on a wall. If you take a tour of Civil War battlefields, you’ll find that historical societies often use plaques to commemorate soldiers or particular events. Plaque is also a hard buildup in the body, like the plaque on your teeth that the dentist likes to scrape off.
Definitions of plaque
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a memorial made of brass
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synonyms:
brass, memorial tablet -
(pathology) a small abnormal patch on or inside the body
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types:
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amyloid plaque, amyloid protein plaque
a plaque consisting of tangles of amyloid protein in nervous tissue (a pathological mark of Alzheimer’s disease)
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arterial plaque
a fatty deposit inside an arterial wall; characteristic of atherosclerosis
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bacterial plaque, dental plaque
a film of mucus and bacteria deposited on the teeth that encourages the development of dental caries
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amyloid plaque, amyloid protein plaque
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