Cylindrical lens
Cylindric Cy*lin"dric (s?-l?n"dr?k), Cylindrical Cy*lin"dric*al (-dr?-kal), a. [Gr. kylindriko`s, from ky`lindros cylinder: cf. F. cylindrique.] Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of the cylinder. [1913 Webster]

{Cylindrical lens}, a lens having one, or more than one, cylindrical surface.

{Cylindric surface}, or {Cylindrical surface} (Geom.), a surface described by a straight line that moves according to any law, but so as to be constantly parallel to a given line.

{Cylindrical vault}. (Arch.) See under {Vault}, n. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Cylindrical lens — Cylindrical lenses. Diagram showing cylindrical lenses …   Wikipedia

  • cylindrical lens — cilindrinis lęšis statusas T sritis fizika atitikmenys: angl. cylinder lens; cylindrical lens vok. Zylinderlinse, f rus. цилиндрическая линза, f pranc. lentille cylindrique, f …   Fizikos terminų žodynas

  • cylindrical lens — a lens used to correct astigmatism, having one plane surface and one cylindrical, or one spherical surface and one toroidal. The meridian along the lens axis has no refractive power, but the meridian at right angles to the axis has maximum… …   Medical dictionary

  • Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra …   Wikipedia

  • Cylindrical — Cylindric Cy*lin dric (s? l?n dr?k), Cylindrical Cy*lin dric*al ( dr? kal), a. [Gr. kylindriko s, from ky lindros cylinder: cf. F. cylindrique.] Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of… …   The Collaborative International Dictionary of English

  • Cylindrical surface — Cylindric Cy*lin dric (s? l?n dr?k), Cylindrical Cy*lin dric*al ( dr? kal), a. [Gr. kylindriko s, from ky lindros cylinder: cf. F. cylindrique.] Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of… …   The Collaborative International Dictionary of English

  • Cylindrical vault — Cylindric Cy*lin dric (s? l?n dr?k), Cylindrical Cy*lin dric*al ( dr? kal), a. [Gr. kylindriko s, from ky lindros cylinder: cf. F. cylindrique.] Having the form of a cylinder, or of a section of its convex surface; partaking of the properties of… …   The Collaborative International Dictionary of English

  • Lens — (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two opposite… …   The Collaborative International Dictionary of English

  • Cylindrical perspective — is a form of distortion caused by fisheye and panoramic lenses which reproduce straight horizontal lines above and below the lens axis level as curved while reproducing straight horizontal lines on lens axis level as straight. This is also a… …   Wikipedia

  • Lens — The transparent structure inside the eye that focuses light rays onto the retina (the nerve layer that lines the back of the eye, senses light and creates impulses that go through the optic nerve to the brain). The lens was named after the lentil …   Medical dictionary

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