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Roundness is dominated by the shape's gross features rather than the definition of its edges and corners, or the surface roughness of a manufactured object. A smooth ellipse can have low roundness, if its eccentricity is large. Regular polygons increase their roundness with increasing numbers of sides, even though they are still sharp-edged.
Roundness is an important indicator of the genetic affiliation of a clastic rock. The degree of roundness points to the range and mode of transport of clastic material, and can also serve as a search criterion in mineral exploration, especially for placer deposits. Alluvial debris in major rivers tend to exhibit a high degree of roundness ...
In phonetics, vowel roundedness is the amount of rounding in the lips during the articulation of a vowel.It is labialization of a vowel. When a rounded vowel is pronounced, the lips form a circular opening, and unrounded vowels are pronounced with the lips relaxed.
Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity , it provides a rapid visual and anthropometric tool for health evaluation.
Roundness is the measure of how closely the shape of an object approaches that of a circle. It may also refer to: Roundness (geology), the roundness of clastic particles; Roundness (handwriting), the sharpness of handwriting patterns
The Body Roundness Index is a novel body composition measurement that is touted as being a more accurate alternative to Body Mass Index. In a large retrospective study of 33,000 US adults ...
“Body roundness index is based on waist circumference and height. It has been shown in other studies that increased abdominal fat is a risk factor for other adverse health conditions such as ...
Definition [ edit ] Defined by Wadell in 1935, [ 1 ] the sphericity, Ψ {\displaystyle \Psi } , of an object is the ratio of the surface area of a sphere with the same volume to the object's surface area: