roundness instrument

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• Roundness (object) — Roundness is the measure of the sharpness of a particle s edges and corners. Calculation in two dimensions A single trace covering the full rotation is made and at each equally spaced angle, heta i, a measurement, R i, of the radius or distance… …   Wikipedia

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• English words first attested in Chaucer — Contents 1 Etymology 2 List 2.1 Canterbury Tales General Prologue …   Wikipedia

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