concave

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concave

 [kon´kāv]
rounded and somewhat depressed or hollowed out.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

con·cave

(kon-kāv'),
Having a depressed or hollowed surface.
[L. concavus, arched or vaulted]
Farlex Partner Medical Dictionary © Farlex 2012

con·cave

(kon'kāv)
Having a depressed or hollowed surface.
[L. concavus, arched or vaulted]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

concave 

Pertaining to a surface shaped like the inside of a sphere. See diverging lens; concave mirror.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
Landside the terminal will present a concave face to five-lane roadways sweeping around the Saarinen building.
Many years later, there were claims Hess and his followers believed the earth to be hollow and we are all living inside its concave face, like ants crawling on the inner surface of a football.
The molecule has a twisted banana shape with a characteristic convex and concave face. A helical groove can be seen on the concave side, that has not been described and detected before (Fig.