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An example of a minimal pairs is nut vs. not. The vowels are open-mid [ʌ, ɔ] in the former dialect and open [ɑ, ɒ] in the latter. In Western Pennsylvania English, the LOT class also includes the THOUGHT class (see cot-caught merger) and the PALM one (see father-bother merger). In addition, LOT may be longer than STRUT due to its being a ...
Roundness is the measure of how closely the shape of an object approaches that of a mathematically perfect circle. Roundness applies in two dimensions , such as the cross sectional circles along a cylindrical object such as a shaft or a cylindrical roller for a bearing .
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 ...
Defined by Wadell in 1935, [1] the sphericity, , of an object is the ratio of the surface area of a sphere with the same volume to the object's surface area: = where is volume of the object and is the surface area.
The ripples formed by dropping a small object into still water naturally form an expanding system of concentric circles. [9] Evenly spaced circles on the targets used in target archery [10] or similar sports provide another familiar example of concentric circles.
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