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concave

IPA

How to pronounce concave (audio)

Dictionary Definition of 'concave'

Having a surface or shape that curves inward, creating a hollow or depressed appearance.
"The concave shape of the satellite dish helped to capture signals from space."

Detailed Meaning of 'concave'

It signifies a configuration in which the interior of the structure or form is curved or sloped inward, while the exterior curves outward. Concave shapes often resemble the inside of a bowl or a cave, with a curvature that can vary from gently sloping to more pronounced, depending on the context. In mathematics and geometry, concave surfaces are characterized by having a curvature that opens toward the interior of the shape, as opposed to convex surfaces, which bulge outward. The term "concave" is also used in optics to describe lenses or mirrors with inward-curving surfaces that cause light rays to converge. Overall, "concave" highlights the presence of a hollow or inwardly curved configuration, often associated with specific mathematical, optical, or physical properties.

Examples of 'concave' in a Sentence

1. The sculpture had a concave surface, giving it a unique and elegant touch.
2. His face reflected in the concave mirror, distorting his features comically.
3. The path in the park followed a concave curve, providing a sheltered spot for the bench.
4. I was drawn to the concave design of the modern coffee table.
5. The skate park featured a massive concave ramp that the skaters adored.
6. The spoon's concave shape helps us to scoop soup or cereal easily.

History and Etymology of 'concave'

The adjective 'concave' has its etymological origins in Latin. It is derived from the Latin word 'concavus,' which combines 'com,' meaning 'together,' and 'cavus,' meaning 'hollow' or 'cave.' Therefore, the etymology of 'concave' can be understood as something that is curved or hollowed inward, creating a depressed or hollow appearance. This historical connection eloquently captures the essence of 'concave,' as it is used to describe surfaces, shapes, or structures that exhibit this inward curvature, giving rise to a hollow or indented form. The word's origin emphasizes the idea of a cavity or hollow space, making 'concave' a fitting term to depict such shapes or surfaces that curve inward.

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Quiz Categories Containing 'concave'

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eb68db_6e7264d14940438e8a3609de608133e4.mp3

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