adj. 1. curving inwards. 2. (General Physics) physics having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc: a concave lens.

What is the meaning of concave in science?

A concave is a surface or a line that is curved inward. In geometry, it is a polygon with at least one interior angle greater than 180°.

What is concave in mathematics?

Curved inwards. Example: A polygon (which has straight sides) is concave when there are "dents" or indentations in it (where the internal angle is greater than 180°) Think "con-cave" (it has a cave in it!)