meniscus

(redirected from Meniscus lens)
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Synonyms for meniscus

(anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint

(optics) a lens that is concave on one side and convex on the other

(physics) the curved upper surface of a nonturbulent liquid in a vertical tube

References in periodicals archive ?
The material of the Dyson block and the meniscus lens is H-K9L in the CDGM glass catalog, which has the same parameters as the N-BK7 of SCHOTT.
In a nutshell, these astrographs have a full-aperture, single-element meniscus objective, a Mangin-type primary mirror (basically a meniscus lens that light passes through twice due to a reflective coating on the back side of the glass), a convex Cassegrain secondary mirror, and a corrector lens near the focal plane.
A rotating meniscus lens has been placed on a string in front of the projector.
It's a compact two-mirror system essentially similar to the Schmidt-Cassegrain, but an elegant meniscus lens that imparts the necessary correction to the spherical mirror system supplants the Schmidt's thin glass window.
Tenders are invited for Znse Meniscus Lens, Diameter 1.500, Fl 5, Ar/Ar @ 10.6 Um, Edge Thickness 0.290.As Per Trumpf Part No.