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Concavity (Noun)

A shape that curves or bends inward.

Nouns denoting two and three dimensional shapes.

The satellite dish's concavity allowed it to collect and focus radio waves from space.
The eggshell's concavity provided a safe space for the developing embryo.
The bowl's concavity cradled the delicate contents, protecting them from damage.
The concavity of the sphere was only a small fraction of the overall curvature of the surface.
The landscape's concavity created a natural amphitheater for the concert venue.

The property possessed by a concave shape.

Nouns denoting attributes of people and objects.

The concavity of the lens allows it to focus light rays onto a single point, creating a clear image.
Most car mirrors exhibit concavity to provide a wider field of view for the driver.
The bowl-like concavity of the satellite dish enables it to receive signals effectively.
The unique concavity of the structure allows air to flow through it with less resistance.
Acquiring accurate data requires knowledge of a mirror's degree of concavity for precise calculations.