concave

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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

(kong-kayv , kong -kayv) Curving inward. A concave mirror converges light. A biconcave or planoconcave lens, thinner in the middle than at the edges, has a diverging action.

Concave

Forms that are curved like the inner surface of a hollow sphere or circular arc.

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.
References in periodicals archive ?
As the intensity of joint information sharing increases, the firm's defense and profit are constant, the attack increases concavely, and the hackers' information sharing and profit decrease convexly.
In Titanatemnus gigas it is almost like a spoon; in Oratemnus punctatus and Cyclatemnus centralis it has the same shape but is bowed concavely (Figs.
Aedeagus with long stem, concavely depressed on ventral surface and with two pairs of subapical processes: lateroventral pair curved to stem base, with median region enlarged and narrowed to apex, laterally curved, reaching approximately half of length of stem; short dorsal pair with narrowed apex curved toward stem base.
Forms {001} and {011} tend to be concavely curved, and {010} tends to be convex.
Upon immersion in liquids, the membranes responded to trapped radical reactions associated with solvent-polymer interactions and to differences in expansion between the support and the plasma film, by bending concavely with respect to the film.
The conventional demand curve runs concavely from top left to bottom right.