The condition of a surface of revolution where all points of the surface are equidistant from the center of the surface. If the part shown below was perfectly round then the dial caliper would measure the same dimension at any point around the diameter. See also out of round

the property possessed by a line or surface that is curved and not angular

A characteristic that all parts of a circle are identical. The measurement of roundness is essentially a measurement of the change in radii, and the roundness error is the measurement between the minimum and maximum radii in one lateral plane.

See: graphonomics

Openess; plainess; boldness; positiveness; as, the roundness of an assertion.

The quality or state of being round in shape; as, the roundness of the globe, of the orb of the sun, of a ball, of a bowl, a column, etc.

(n) See circularity.

Extent to which a feature is circular.

The way in which the horse travels with his back "lifted" into the saddle rather than hollow.

This term is not recommended. The term Ovality is preferred.

Pearls are graded by their roundness: round, mostly round, slightly off-round, and off-round.

Fullness; smoothness of flow; as, the roundness of a period; the roundness of a note; roundness of tone.