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plaque definitions

WordNet (r) 3.0 (2005)

1: (pathology) a small abnormal patch on or inside the body
2: a memorial made of brass [syn: brass, memorial tablet, plaque]

Merriam Webster's

noun 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 Date: 1845 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

Oxford Reference Dictionary

n. 1 an ornamental tablet of metal, porcelain, etc., esp. affixed to a building in commemoration. 2 a deposit on teeth where bacteria proliferate. 3 Med. a a patch or eruption of skin etc. as a result of damage. b a fibrous lesion in atherosclerosis. 4 a small badge of rank in an honorary order. Derivatives: plaquette n. Etymology: F f. Du. plak tablet f. plakken stick

Webster's 1913 Dictionary

Plaque Plaque, n. [F. Cf. Plack, and see Placard.] Any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch.

Collin's Cobuild Dictionary

(plaques) 1. A plaque is a flat piece of metal or stone with writing on it which is fixed to a wall or other structure to remind people of an important person or event. After touring the hospital, Her Majesty unveiled a commemorative plaque. N-COUNT 2. Plaque is a substance containing bacteria that forms on the surface of your teeth. Deposits of plaque build up between the tooth and the gum.

Soule's Dictionary of English Synonyms

n. 1. Brooch, ornamental plate, plate of a clasp. 2. Flat plate of metal, enamelled plate.

Moby Thesaurus

arch, award, badge, barrow, boundary stone, brass, brooch, bust, cairn, cenotaph, column, cromlech, cross, cup, cyclolith, dolmen, footstone, grave, gravestone, headstone, hoarstone, honor, inscription, insignia, marker, mausoleum, medal, medallion, megalith, memento, memorial, memorial arch, memorial column, memorial statue, memorial stone, menhir, monolith, monument, mound, necrology, obelisk, obituary, panel, patch, pillar, pin, plaquette, plate, prize, pyramid, reliquary, remembrance, ribbon, rostral column, shaft, shrine, slab, stela, stone, stupa, tablet, testimonial, tomb, tombstone, tope, trophy


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