Dictionary > English Dictionary > Definition, synonym and antonym of plaque
Meaning of plaque by Wiktionary Dictionary

plaque


    Etymology

    From French, derivative of plaquer ( “to plate” ), from Middle Dutch placken ( “to patch, beat metal into a thin plate” ), from placke ( “disk, patch, stain” ), from Old Dutch *plagga ( “patch” ), from Proto-Germanic *plaggan ( “patch” ). Cognate with Middle Low German placke, plagge ( “small stain, scraps, rags, thin grass” ), German Placken ( “spot, patch” ), Eastern Frisian plak, plakke ( “a blow, slap” ), Swedish plagg ( “clothing, garment” ). See plack .

    Pronunciation

    • ( Australia ) IPA: /plaːk/
    • Rhymes: -ɑːk
    • ( UK, US ) IPA: /plæk/
    • Rhymes: -æk

    Noun

    plaque ( countable and uncountable; plural: plaques )

    1. 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 .
    2. ( uncountable ) An accumulation of biofilm, or bacteria on teeth .
    3. ( uncountable, medicine ) Atheroma, an accumulation in artery walls made up of macrophage cells and debris containing lipids, ( cholesterol and fatty acids ), calcium, and connective tissue .
    4. ( biology ) A clearing in a bacterial lawn caused by a virus .

    See also

    • Plaque on Wikipedia .


Explanation of plaque by Wordnet Dictionary

plaque


    Noun
    1. a memorial made of brass

    2. a small abnormal patch on or inside the body



    Definition of plaque by GCIDE Dictionary

    plaque


    1. 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.