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The diameter symbol (Unicode character U+2300) is similar to the lowercase letter ø, and in some typefaces it even uses the same glyph, although in many others the glyphs are subtly distinguishable (normally, the diameter symbol uses an exact circle and the letter o is somewhat stylized).
A diameter is a line segment passing through the center of a circle or sphere with both its endpoints on the circle or sphere. Diameter may also refer to: Diameter (graph theory), the longest distance between 2 points on a graph; Diameter (protocol), a computer protocol; Diameter (group theory), the measure of a finite group's complexity
For any solid object or set of scattered points in -dimensional Euclidean space, the diameter of the object or set is the same as the diameter of its convex hull. Algorithms for computing this kind of diameter have been studied in computational geometry; see diameter (computational geometry). In medical terminology concerning a lesion or in ...
For instance, the depth of the root is 0 and the depth of any one of its adjacent nodes is 1. It is the level of a node minus one. Note, however, that some authors instead use depth as a synonym for the level of a node. [9] diameter The diameter of a connected graph is the maximum length of a shortest path. That is, it is the maximum of the ...
American Society of Mechanical Engineers – The American Society of Mechanical Engineers (ASME) is a professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and ...
Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials . This is different from the crystallite size, which refers to the size of a single crystal inside a particle or grain.
The diameter symbol in engineering, ⌀, is often erroneously referred to as "phi", and the diameter symbol is sometimes erroneously typeset as Φ. This symbol is used to indicate the diameter of a circular section; for example, "⌀14" means the diameter of the circle is 14 units. A clock signal in electronics is often called Phi or uses the ...
Semicircle: one of the two possible arcs determined by the endpoints of a diameter, taking its midpoint as centre. In non-technical common usage it may mean the interior of the two-dimensional region bounded by a diameter and one of its arcs, that is technically called a half-disc. A half-disc is a special case of a segment, namely the largest one.