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plaque

noun

ˈplak How to pronounce plaque (audio)
1
a
: an ornamental brooch
especially : the badge of an honorary order
b
: a flat thin piece (as of metal) used for decoration
c
: a commemorative or identifying inscribed tablet
2
a
: a localized abnormal patch on a body part or surface
b
: a sticky usually colorless film on teeth that is formed by and harbors bacteria
c
: an atherosclerotic lesion
d
: a histopathologic lesion of brain tissue that is characteristic of Alzheimer's disease and consists of a dense proteinaceous core composed primarily of beta-amyloid that is often surrounded and infiltrated by a cluster of degenerating axons and dendrites
3
: a clear area in a bacterial culture produced by viral destruction of cells

Example Sentences

A bronze plaque marked the city's oldest building. They gave him a plaque in honor of his 30 years of service. Brushing your teeth prevents the buildup of plaque. The scientists are studying the way the plaques form.
Recent Examples on the Web There are two sequels to the film, Back to the Future Part II and Back to the Future Part III, all of which deserve their own plaque in the time travel movie hall of fame too. Anatola Araba, ELLE, 1 Sep. 2022 Our plaque has his date of birth and date of death. Amy Dickinson, Washington Post, 12 June 2022 Our plaque has his date of birth and date of death. Amy Dickinson, oregonlive, 12 June 2022 Our plaque has his date of birth and date of death. Amy Dickinson, Detroit Free Press, 12 June 2022 Our plaque has his date of birth and date of death. cleveland, 12 June 2022 Our plaque has his date of birth and date of death. Amy Dickinson, Chicago Tribune, 11 June 2022 Buchanan was remembered in histories published online, had not been recognized with his own plaque at the Columbus Avenue fire house that served as Rescue 2′s home base. John Hilliard, BostonGlobe.com, 28 May 2022 Upon his induction into the Hall of Fame in 1962, Robinson asked that his plaque make no mention of his role in integrating baseball. Los Angeles Times, 14 Apr. 2022 See More

Word History

Etymology

French, from Middle French, metal sheet, from plaquer to plate, from Middle Dutch placken to piece, patch; akin to Middle Dutch placke piece, Middle High German placke patch

First Known Use

1845, in the meaning defined at sense 1a

Time Traveler
The first known use of plaque was in 1845

Phrases Containing plaque

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