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 ?
Fitting the cylinder with filler plates was found to have a positive effect on wheat grain separation through the concave and also to reduce grain damage [6].
Aural haematomas are the most common physical injury of ear pinna and most apparently on concave surface (Slatter, 2003).
The overall goal of this paper is therefore to develop a computational framework for a concave regularization with additive sparse and low-rank constraints [9] because of our desire to encode latent variables in a Gaussian graphical model but with insufficient samples, a very important issue in gene interaction network with latent regulatory factors.
1999) in order to analyse the equivalence game induced by a convex and a concave linear quadratic transport cost function in a circular market with an arbitrary length.
A Pro Gripper version features the concave design adapted to the signature Gripper Cutting Board, featured in BPA-free polypropylene, just like the original Gripper collection.
Rays can be particularly concentrated when they hit concave mirrors and crystal, so if they are directed towards ignitable materials such as curtains or cardboard, it can be disastrous.
The subject of the present study was to determine the effects of different beater and concave type threshers used in chickpea threshing on visible and invisible seed damage and the reflections of seed viability to growth and yield of chickpea sown in both autumn and spring under rainfed conditions.
Concave curvature of the LL profile was presented by 12 subjects: 10 household ambulators, 1 limited community ambulator, and 1 community ambulator.
We supply platforms to help the miners drop the entire liner into the crusher, rather than placing each concave individually.
Thus the (6) and (8) satisfies the conditions of log concave and log convex for sequence.
Therefore, the following connection shapes were studied: external conical, internal conical, concave, convex, concave-convex and convex-concave.
Dung beetles, for example, having many concave domes on their body surface can live in the moist or adhesive soil freely, but the soil seldom sticks to their bodies (REN et al.