concavo-convex
Americanadjective
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Also concave on one side and convex on the other.
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Optics. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face.
adjective
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having one side concave and the other side convex
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(of a lens) having a concave face with greater curvature than the convex face Compare convexo-concave
Etymology
Origin of concavo-convex
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
His aeroplanes were variously shaped, and were, as a rule, concavo-convex, the convex surface being directed upwards.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various
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 concavo-convex combines both powers.
From American Hand Book of the Daguerreotype by Humphrey, S. D. (Samuel Dwight)
"Why do you weep?" he asked, peering at the Boy through his concavo-convex Nose Glasses.
From Fables in Slang by Newman, Clyde J.
High overhead, like a gigantic awning, was the slightly concavo-convex main aeroplane, tilted towards the front at an imperceptible angle, and stretched taut.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
