concave

4 entries found for concave.
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concave[1,adjective] concave[2,noun] convexo-concave plano-concave

Main Entry: ¹con·cave
Pronunciation: kän-'kAv, 'kän-"
Function: adjective
Etymology: Middle English, from Latin concavus, from com- + cavus hollow -- more at CAVE
1 : hollowed or rounded inward like the inside of a bowl
2 : arched in : curving in -- used of the side of a curve or surface on which neighboring normals to the curve or surface converge and on which lies the chord joining two neighboring points of the curve or surface