Concave

usgb/kɑːnˈkeɪv/
adjective

Curved inwards.

The spoon has a concave shape.
Visual representation of "concave" - curved inwards

Often appears as...

  • concave shape
  • concave surface
Definition 1 of 2
Visual representation of "concave"
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Physical Objects

Use 'concave' for physical objects like dishes or reflectors that curve inward.

Illustration for Physical Objects
The satellite dish has a concave surface to focus signals.
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Not Flat

'Concave' suggests that something is not flat, but rather it curves inside like a cave.

Illustration for Not Flat
Skateboarders prefer ramps that are concave for better tricks.
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Optics Context

In optics, 'concave' refers to lenses or mirrors that spread out light rays.

Illustration for Optics Context
Her glasses use concave lenses because she is nearsighted.
Visual representation of the word "Concave"

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