meniscus
Notional section through Meniscus lens, showing it to be concavo-convex, with a positive focus because it is thicker in the middle than the edge
Meaning
Noun
- A crescent moon, or an object shaped like it.
- A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section.
- The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid.
- Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion.
Origin
- From Ancient Greek μηνίσκος, from μήνη
Modern English dictionary
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