meniscus lens(redirected from articular meniscus)
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meniscus lens(mĕ-niss -kŭs) A lens in which the two surfaces have different or sometimes equal curvatures but, unlike a concave or convex lens, curve in the same general direction. A positive meniscus is thicker at the center than at the edges; a negative meniscus is thinner at the center. See illustration at lens.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
meniscus lens[mə′nis·kəs ′lenz]
A lens with one convex surface and one concave surface.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.