concavo-convex

American  

[kon-kay-voh-kon-veks] / kɒnˈkeɪ voʊ kɒnˈvɛks /

adjective

1. Also concave on one side and convex on the other.

2. Optics. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face.

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concavo-convex British  

adjective

1. having one side concave and the other side convex

2. (of a lens) having a concave face with greater curvature than the convex face Compare convexo-concave

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Etymology

Origin of concavo-convex

1670–80; < Latin concav ( us ) + -o- + convex

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Example Sentences

See Examples For:

concavo-convex

F is called a meniscus, or concavo-convex, being concave on one, and convex on the other side.

From Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained by Thomas P. Jones

Already the solemn day of the Most Holy Lady of Flowers191 was approaching; the weather was lovely, the hour early; the clear sky was extended about the earth like a calm, hanging, concavo-convex sea.

From Pan Tadeusz Or, the Last Foray in Lithuania; a Story of Life Among Polish Gentlefolk in the Years 1811 and 1812 by George Rapall Noyes

I measured therefore the thickness of this concavo-convex Plate of Glass, and found it every where 1/4 of an Inch precisely.

From Opticks or, a Treatise of the Reflections, Refractions, Inflections, and Colours of Light by Sir Isaac Newton

The coins of these two Greek states in particular were for a long period concavo-convex disks, the convex side being in all instances the obverse.

From The New England Magazine Volume 1, No. 6, June, 1886, Bay State Monthly Volume 4, No. 6, June, 1886 by Various

The names of the various shapes are as follows:—No. 1, plano-convex; No. 2, plano-concave; No. 3, double convex; No. 4, double concave; No. 5, meniscus; No. 6, concavo-convex.

From How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use by Archibald Williams

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