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WOTD – 20 July 2008

English Wikipedia has an article on:

meniscus

Wikipedia

From (deprecated template usage) [etyl] Ancient Greek μηνίσκος (mēnískos, “crescent”), from μήνη (mḗnē, “moon”)

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(deprecated use of |lang= parameter)
Audio (US): (file)
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Audio (AU): (file)

meniscus (plural meniscuses or menisci)

A crescent moon, or an object shaped like it. [from 17th c.]
- 1972, Vladimir Nabokov, Transparent Things, McGraw-Hill 1972, p. 19:
  He opened wide both casements; they gave on a parking place four floors below; the thin meniscus overhead was too wan to illumine the roofs of the houses descending toward the invisible lake [...].
(optics) A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section. [from 17th c.]
The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid. [from 19th c.]
(anatomy) Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion. [from 19th c.]

the curved surface of liquids

a crescent

either of two parts of the human knee

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 * {{a|UK|US}} {{IPA|/mɛˈnɪs.kəs/|/məˈnɪs.kəs/|lang=en}}
 * {{audio|en-us-meniscus.ogg|Audio (US)|lang=en}}
+* {{audio|en-au-meniscus.ogg|Audio (AU)|lang=en}}
 ===Noun===