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Definition of Plaquette
1. n. A small plaque, esp., in modern medal engraving, a small and delicate bas-relief, whether cast or struck from a die, or of form other than circular.
Definition of Plaquette
1. Noun. A small bas-relief metal tablet used as a decoration for book covers in the 15th-17th centuries. ¹
2. Noun. (physics) The smallest closed loop, enclosing the region between four lattice sites, in lattice gauge theory. ¹
¹ Source: wiktionary.com