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  • noun

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 ?
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.
It consists of a spherical primary mirror and a sub-aperture meniscus lens that corrects for the spherical aberration and tilt of the primary.
It was clear from the beginning that such a meniscus lens could be made achromatic (bringing all colors to the same focus), but a quick calculation showed that it would produce noticeable spherical aberration.