meniscus

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me·nis·cus / məˈniskəs/ • n. (pl. -ci / -kē; -kī/ or -cus·es) Physics the curved upper surface of a liquid in a tube. ∎  Optics [usu. as adj.] a lens that is convex on one side and concave on the other. ∎  Anat. a thin fibrous cartilage between the surfaces of some joints, e.g., the knee.

meniscus

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meniscus (min-isk-ŭs) n. (in anatomy) a crescent-shaped structure, such as the fibrocartilaginous disc that divides the cavity of a synovial joint.

meniscus

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meniscus See surface tension.