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Meniscus
//məˈnɪs.kəs// noun
Definitions
Noun
- 1 A crescent moon, or an object shaped like it.
"And from Crabbe's own forehead sweat dripped or gathered into a kind of meniscus to be scooped off."
- 2 (physics) the curved upper surface of a nonturbulent liquid in a vertical tube wordnet
- 3 A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section.
- 4 (optics) a lens that is concave on one side and convex on the other wordnet
- 5 The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid.
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- 6 (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint wordnet
- 7 Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion.
Etymology
From Ancient Greek μηνίσκος (mēnískos, “crescent”), from μήνη (mḗnē, “moon”). Piecewise doublet of moonish.
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