Meniscus meaning

mə-nĭs'kəs
A crescent-shaped body.
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The definition of a meniscus is the fibrous cartilage in a knee joint, or the curved upper surface of liquid that touches the sides of a jar, or a lens that is convex on one side and concave on the other.

When you have a torn cartilage, this is an example of an injury to the meniscus.

When oil is in a jar and the oil has a curve on the top of its surface, this is an example of meniscus.

When you have a lens of a camera that curves out on one side and in on the other, this is an example of meniscus.

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A concavo-convex lens.
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The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
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A cartilage disk that acts as a cushion between the ends of bones that meet in a joint.
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A crescent or crescent-shaped thing.
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A lens that is convex on one side and concave on the other.
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Fibrous cartilage within a joint, esp. within the knee.
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The curved upper surface of a column of liquid: as a result of capillarity it is concave when the walls of the container strongly attract the liquid (as in the case of water), and it is convex when the liquid is more strongly attracted to itself (as in the case of mercury)
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A crescent-shaped body.
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A concavo-convex lens.
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The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
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A cartilage disk that acts as a cushion between the ends of bones that meet in a joint.
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A lens that is concave on one side and convex on the other.
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The curved upper surface of a column of liquid in a container. The surface is concave if the molecules of the liquid are attracted to the container walls and convex if they are not.
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A piece of cartilage shaped like a crescent and located at the junction of two bones in a joint. The meniscus acts to absorb shock.
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A crescent moon, or an object shaped like it. [from 17th c.]
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(optics) A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section. [from 17th c.]
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The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid. [from 19th c.]
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(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.]
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Origin of meniscus

  • New Latin from Greek mēniskos diminutive of mēnē moon, month mē-2 in Indo-European roots
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Ancient Greek μηνίσκος (mÄ“niskos, “crescent"), from μήνη (mÄ“nÄ“, “moon")
    From Wiktionary