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concave |
Also found in: Dictionary/thesaurus, Medical, Financial, Wikipedia, Hutchinson | 0.07 sec. |
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concave 1. Physics having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc. 2. Maths (of a polygon) containing an interior angle greater than 180° concave [′kän‚kāv] (science and technology) Having a curved form which bulges inward resembling the interior of a sphere or cylinder or a section of these bodies. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Before again issuing from it, this spiral runs into a small cone with a concave base, that is turned downward in the shape of a spherical cap. The city of Wintoncester, that fine old city, aforetime capital of Wessex, lay amidst its convex and concave downlands in all the brightness and warmth of a July morning. It terminated in a concave breast of rock, nearly vertical and destitute of vegetation. |
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