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meniscus n. 新月,半月板 新月,半月板 meniscus n 1: ( anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint [ synonym: { meniscus}, { semilunar cartilage}] 2: ( optics) a lens that is concave on one side and convex on the other 3: ( physics) the curved upper surface of a nonturbulent liquid in a vertical tubeMeniscus \ Me* nis" cus\, n.; pl. L. { Menisci} (- s[ imac]), E. { Meniscuses}. [ NL., from Gr. mhni` skos, dim. of mh` nh the moon.] 1. A crescent. [ 1913 Webster] 2. ( Opt.) A lens convex on one side and concave on the other. [ 1913 Webster] 3. ( Anat.) An interarticular synovial cartilage or membrane; esp., one of the intervertebral synovial disks in some parts of the vertebral column of birds. [ 1913 Webster] { Converging meniscus}, { Diverging meniscus}. See { Lens}. [ 1913 Webster] 36 Moby Thesaurus words for " meniscus": achromatic lens, astigmatic lens, burning glass, camera, coated lens, concave lens, concavo- convex lens, condenser, convex lens, crescent, crescent moon, eyeglass, eyepiece, glass, half- moon, hand lens, horseshoe, lens, lunula, lunule, magnifier, magnifying glass, object glass, objective, objective prism, ocular, prism, reader, reading glass, scythe, semicircle, sickle, telephoto lens, toric lens, varifocal lens, zoom lens
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