Definition of plaque Plaque

/plæˈk/ - [plak] - plaque

We found 11 definitions of plaque from 7 different sources.

What does plaque mean?

Noun Plural: plaques
plaque - (pathology) a small abnormal patch on or inside the body
		dapple, speckle, fleck, maculation, patch, spot a piece of cloth used as decoration or to mend or cover a hole
		pathology the branch of medical science that studies the causes and nature and effects of diseases
		amyloid plaque, amyloid protein plaque a plaque consisting of tangles of amyloid protein in nervous tissue (a pathological mark of Alzheimer's disease)
		arterial plaque a fatty deposit inside an arterial wall; characteristic of atherosclerosis
plaque - a memorial made of brass
		brass, memorial tablet

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plaque (Noun)
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.
plaque (Noun)
An accumulation of biofilm, or bacteria on teeth.
plaque (Noun)
Atheroma, an accumulation in artery walls made up of macrophage cells and debris containing lipids, cholesterol and fatty acids, calcium, and connective tissue .
plaque (Noun)
A clearing in a bacterial lawn caused by a virus.

plaque (n.)
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.

plaque
plak, n. a flat piece of metal or other material, used for ornament, as a brooch, &c., or for painting on, to form a wall-picture.—n. Plaquette′, a small plaque. [Fr.; cf. Plack.]