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1. Convex on one side and concave on the other.
2. Having greater curvature on the convex side than on the concave side. Used of a lens.


1. having one side convex and the other side concave
2. (General Physics) (of a lens) having a convex face with greater curvature than the concave face. Compare concavo-convex2


(kənˈvɛk soʊ kɒnˈkeɪv)

2. of or designating a lens in which the convex face has a greater degree of curvature than the concave face.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.convexo-concave - convex on one side and concave on the other with the convexity being greater than the concavity
bulging, convex - curving or bulging outward
References in periodicals archive ?
6 /PRNewswire/ -- Because of a risk of strut fracture that could result in death or serious injury, all Bjork-Shiley Convexo-Concave Heart Valves (BSCC) were removed from the market by the manufacturer.
Federal officials charged that Shiley, to obtain FDA approval to market the Bjork-Shiley Convexo-Concave mechanical heart valve (C/C valve), made unsubstantiated claims during the application process that the valve caused less blood-clotting than other valves on the market.
The story of the Bjork-Shiley Convexo-Concave heart valve is a case in point.
From 1979-1986, more than 80,000 Convexo-Concave heart valves, produced by Pfizer's Irvine, California subsidiary, Shiley Inc.