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词汇 meniscus
释义

Definition of meniscus in English:

meniscus

nounPlural menisci mɪˈnɪskəsməˈnɪskəs
Physics
  • 1The curved upper surface of a liquid in a tube.

    〔物理〕弯(月)液面

    Example sentencesExamples
    • It is based on the analysis of light reflection at a fluid meniscus whose radius of curvature is related to its surface tension.
    • Another coverslip was placed inside the cylinder floating on top of the liquid layer, in order to obtain a flat meniscus.
    • I recall spending lengthy moments reading the meniscus on a thermometer to determine the precise temperature reading in an experiment.
    • When the water column is cut, the pressure of the water column is increased to atmospheric pressure when the meniscus is flat.
    • The curve of the meniscus between the fluids can be altered with currents sent through the tube, which changes the focus of the lens.
    1. 1.1usually as modifier A lens that is convex on one side and concave on the other.
      弯月形透镜,凹凸透镜
      a meniscus lens
      Example sentencesExamples
      • It's the same with lenses; in addition, the self-centering problem is even more pronounced for meniscus shapes and other optics with long focal lengths.
      • Petzval produced an achromatic portrait lens that was vastly superior to the simple meniscus lens then in use.
      • Invented in 1876, the Mangin mirror consists of a meniscus negative lens with a mirrored convex second surface.
    2. 1.2Anatomy A thin fibrous cartilage between the surfaces of some joints, e.g. the knee.
      〔剖〕半月板
      Example sentencesExamples
      • In some cases, there may not be a specific injury, but the meniscus can tear due to repetitive loads and chronic degeneration.
      • In January 1992, arthrography was done of the left knee, which showed according to Dr. Bernard Parent no sign of any tearing of the meniscus.
      • DeSagana Diop had surgery yesterday to repair a torn meniscus and will be out four to six weeks.
      • Within a week of having 85 per cent of his meniscus removed, he was running, and three days later he was back playing for the Swans.
      • He had a torn meniscus, which is the same thing, it's a torn muscle.

Derivatives

  • meniscoid

  • adjective
    Physics

Origin

Late 17th century: modern Latin, from Greek mēniskos 'crescent', diminutive of mēnē 'moon'.

Rhymes

discus, hibiscus, viscous

Definition of meniscus in US English:

meniscus

nounməˈniskəsməˈnɪskəs
Physics
  • 1The curved upper surface of a liquid in a tube.

    〔物理〕弯(月)液面

    Example sentencesExamples
    • It is based on the analysis of light reflection at a fluid meniscus whose radius of curvature is related to its surface tension.
    • When the water column is cut, the pressure of the water column is increased to atmospheric pressure when the meniscus is flat.
    • The curve of the meniscus between the fluids can be altered with currents sent through the tube, which changes the focus of the lens.
    • Another coverslip was placed inside the cylinder floating on top of the liquid layer, in order to obtain a flat meniscus.
    • I recall spending lengthy moments reading the meniscus on a thermometer to determine the precise temperature reading in an experiment.
    1. 1.1usually as modifier A lens that is convex on one side and concave on the other.
      弯月形透镜,凹凸透镜
      a meniscus lens
      Example sentencesExamples
      • It's the same with lenses; in addition, the self-centering problem is even more pronounced for meniscus shapes and other optics with long focal lengths.
      • Petzval produced an achromatic portrait lens that was vastly superior to the simple meniscus lens then in use.
      • Invented in 1876, the Mangin mirror consists of a meniscus negative lens with a mirrored convex second surface.
    2. 1.2Anatomy A thin fibrous cartilage between the surfaces of some joints, e.g. the knee.
      〔剖〕半月板
      Example sentencesExamples
      • In January 1992, arthrography was done of the left knee, which showed according to Dr. Bernard Parent no sign of any tearing of the meniscus.
      • In some cases, there may not be a specific injury, but the meniscus can tear due to repetitive loads and chronic degeneration.
      • DeSagana Diop had surgery yesterday to repair a torn meniscus and will be out four to six weeks.
      • He had a torn meniscus, which is the same thing, it's a torn muscle.
      • Within a week of having 85 per cent of his meniscus removed, he was running, and three days later he was back playing for the Swans.

Origin

Late 17th century: modern Latin, from Greek mēniskos ‘crescent’, diminutive of mēnē ‘moon’.

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