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Meniscus

noun

(pl. L. menisci, E. meniscuses)

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

(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.

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Etymology of 'Meniscus'

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"Meniscus" Quotes from Famous Books

... the measuring tube; when the mercury has reached this point, thin boards and card-boards are added till a suitable pressure is obtained. The length of the inclosed cylinder of air is then measured with the cathetometer, also the height of the mercurial "meniscus," and the difference of the heights of the mercurial columns in A and B, figure 4. To obtain a second measure an assistant removes some of the boxes and the cylinder is lowered by hand three or four centimeters and then replaced in its original ...

— Scientific American Supplement, No. 303 - October 22, 1881 • Various

... a double-convex lens, Fig. 6 a double-concave, and Fig. 7 a concavo-convex or meniscus. By these it is seen that a double-convex lens tends to condense the rays of light to a focus, a double-concave to scatter them, and a ...

— American Handbook of the Daguerrotype • Samuel D. Humphrey

Words linked to "Meniscus" : general anatomy, lens system, physics, surface, gristle, lense, cartilage, natural philosophy, lens, anatomy, optics