plaque
1 ENTRIES FOUND:
plural
plaques
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.
2
a
[noncount]
:
a thin coating that forms on teeth and contains bacteria
-
Brushing your teeth prevents the buildup of plaque.
b
[count]
medical
:
a change in brain tissue that occurs in Alzheimer's disease
-
The scientists are studying the way the plaques form.
c
[noncount]
medical
:
a harmful material that can form in arteries and be a cause of heart disease
