meniscus

• POS: Noun
• HYPHEN: me=nis=cus

CIDE DICTIONARY

meniscus, n. [NL., from Gr. mhni`skos, dim. of mh`nh the moon.].

•  A crescent.  [1913 Webster]
•  A lens convex on one side and concave on the other.  [1913 Webster]
•  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.

OXFORD DICTIONARY

meniscus, n. (pl. menisci)
1 Physics the curved upper surface of a liquid in a tube.
2 a lens that is convex on one side and concave on the other.
3 Math. a crescent-shaped figure.

Derivative

meniscoid adj.

Etymology

mod.L f. Gk meniskos crescent, dimin. of mene moon

THESAURUS

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

ROGET THESAURUS

meniscus

Optical Instruments

N optical instruments, lens, meniscus, magnifier, sunglass, magnifying glass, hand lens, microscope, megascope, tienoscope, spectacles, specs, glasses, barnacles, goggles, eyeglass, pince-nez, monocle, reading glasses, bifocals, contact lenses, soft lenses, hard lenses, sunglasses, shades, periscopic lens, telescope, glass, lorgnette, spyglass, opera glass, binocular, binoculars, field glass, burning glass, convex lens, concave lens, convexo-concave lens, coated lens, multiple lens, compound lens, lens system, telephoto lens, wide-angle lens, fish-eye lens, zoom lens, optical bench, astronomical telescope, reflecting telescope, reflector, refracting telescope, refractor, Newtonian telescope, folded-path telescope, finder telescope, chromatoscope, X-ray telescope, radiotelescope, phased-array telescope, Very Large Array radiotelescope, ultraviolet telescope, infrared telescope, star spectroscope, space telescope, altazimuth mount, equatorial mount, refractometer, circular dichroism spectrometer, interferometer, phase-contrast microscope, fluorescence microscope, dissecting microscope, electron microscope, transmission electron microscope, scanning electron microscope, SEM, scanning tunneling electron microscope, objective lens, eyepiece, barrel, platform, focusing knob, slide, slide glass, cover glass, counting chamber, illuminator, light source, polarizer, reticle, cross-hairs, light pipe, fiber optics mirror, reflector, speculum, looking- glass, pier-glass, cheval-glass, rear-view mirror, hand mirror, one-way mirror, magnifying mirror, fun house, prism, diffraction grating, beam splitter, half-wave plate, quarter-wave plate, camera lucida, camera obscura, magic lantern, stereopticon, chromatrope, thaumatrope, stereoscope, pseudoscope, polyscope, kaleidoscope, photometer, eriometer, actinometer, lucimeter, radiometer, ligth detector, photodiode, photomultiplier, photodiode array, photocell, X-ray diffractometer, goniometer, spectrometer, monochrometer, UV spectrometer, visible spectrometer, Infrared spectrometer, Fourier transform infrared spectrometer, recording spectrometer, densitometer, scanning densitometer, two-dimensional densitometer, abdominoscope, gastroscope, helioscope, polariscope, polemoscope, spectroscope, abdominoscopy, gastroscopy, microscopy, microscopist.