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Paideia (/paɪˈdeɪə/; also spelled paedeia; Greek: παιδεία) [1] referred to the rearing and education of the ideal member of the ancient Greek polis or state. These educational ideals later spread to the Greco-Roman world at large, and were called humanitas in Latin. Paideia was meant to instill aristocratic virtues in the young ...
Franklin was a writer, scientist, inventor, statesman, diplomat, printer and political philosopher. He further attained a legacy as one of the Founding Fathers of the United States. A polymath (Greek: πολυμαθής, romanized:polymathēs, lit. 'having learned much'; Latin: homo universalis, lit. 'universal human') [ 1 ] or polyhistor ...
The concept of rounding is very old, perhaps older than the concept of division itself. Some ancient clay tablets found in Mesopotamia contain tables with rounded values of reciprocals and square roots in base 60. [40] Rounded approximations to π, the length of the year, and the length of the month are also ancient – see base 60 examples.
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. In geometric dimensioning and tolerancing, control of a cylinder can also ...
Sphericity is a measure of how closely the shape of an object resembles that of a perfect sphere. For example, the sphericity of the balls inside a ball bearing determines the quality of the bearing, such as the load it can bear or the speed at which it can turn without failing. Sphericity is a specific example of a compactness measure of a shape.
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. In most languages, front vowels tend to be unrounded, and back vowels tend to ...
Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus, [ 1 ] chunks, and smaller grains of rock broken off other rocks by physical weathering. [ 2 ] Geologists use the term clastic to refer to sedimentary rocks and particles in sediment transport, whether in ...
Labialization is a secondary articulatory feature of sounds in some languages. Labialized sounds involve the lips while the remainder of the oral cavity produces another sound. The term is normally restricted to consonants. When vowels involve the lips, they are called rounded.