Cavity vs. Concave — What's the Difference?

A hollow; a hole.

Curved like the inner surface of a sphere.

A hollow area within the body

A concave surface, structure, or line.

A pitted area in a tooth caused by caries.

To make concave.

A hole or hollow depression in a solid object.

Curved like the inner surface of a sphere or bowl.

(anatomy) A hollow area within the body.

Not convex; having at least one internal angle greater than 180 degrees.

(dentistry) A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries.

Satisfying the property that all segments connecting two points on the function's graph lie below the function.

Hollowness.

Hollow; empty.

A hollow place; a hollow; as, the abdominal cavity.

A concave surface or curve.

A sizeable hole (usually in the ground);

The vault of the sky.

Space that is surrounded by something

One of the celestial spheres of the Ptolemaic or geocentric model of the world.

Soft decayed area in a tooth; progressive decay can lead to the death of a tooth

(manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.

(anatomy) a natural hollow or sinus within the body

(surfing) An indentation running along the base of a surfboard, intended to increase lift.

(skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.

(gambling) A playing card made concave for use in cheating.

To render concave, or increase the degree of concavity.

Hollow and curved or rounded; vaulted; - said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.

Hollow; void of contents.

A hollow; an arched vault; a cavity; a recess.

A curved sheath or breasting for a revolving cylinder or roll.

To make hollow or concave.

Curving inward