plaque in German

(countable) Any flat, thin piece of clay, ivory, metal, etc., used for ornament, or for painting pictures upon, as a dish, plate, slab, etc., hung upon a wall; also, a smaller decoration worn by a person, such as a brooch.

(uncountable, dentistry) An accumulation of biofilm, or bacteria, on teeth, which may develop into dental calculus (tartar).

(uncountable, dentistry) An accumulation of biofilm, or bacteria, on teeth, which may develop into dental calculus (tartar).