concave


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concave

 [kon´kāv]
rounded and somewhat depressed or hollowed out.

con·cave

(kon-kāv'),
Having a depressed or hollowed surface.
[L. concavus, arched or vaulted]

con·cave

(kon'kāv)
Having a depressed or hollowed surface.
[L. concavus, arched or vaulted]

concave 

Pertaining to a surface shaped like the inside of a sphere. See diverging lens; concave mirror.
References in periodicals archive ?
A significant interaction was found between beater and concave for PBS (Table 7).
Concave curvature of the LL profile was presented by 12 subjects: 10 household ambulators, 1 limited community ambulator, and 1 community ambulator.
Thus the (9) and (10) satisfies the conditions of log concave and log convex.
All connections--conical external (ex.co), concave (cc), convex (cv), concave-convex (cc-cv) and convex-concave (cv-cc) (Fig.
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., 2001; REN et al., 1992; QIAN et al., 1992; TONG et al., 1994).
While adult brains can assume that light comes from above when they have to judge whether shaded images are convex or concave, young children have to learn this ability, reports New Scientist.
It can be either convex or concave. A convex meniscus occurs when the molecules have a stronger attraction to each other (cohesion) than the container (adhesion), as mercury and glass in a barometer.
SHOOT FOR THE STARS Chris McBride, Graeme McVeigh, Neil Hutchison, Michael Hophins and Gareth Drennan from Comber Star FC emerged victorious from the Concave Thunder Strike event at Podium 4 Sport, winning their entire team a pair of Concave football boots in the process!
The concave teeth also assure consistently high positional accuracy giving up to 50% more torque.
Dr Chapman was unaware of my paper (JBAA, 103(6), 310 (1993)) on my experiments with convex lenses and concave mirrors arranged as described by William Bourne, quoting Thomas Digges.
Changes have also been made to get crop flowing more smoothly through the threshing and rotor separation mechanisms, and operators have greater in-cab control over concave settings and configuration.
I've heard people are confused about when to use "concave" and "convex."