a numerical expression of the hardness of a metal as determined by a test (Vickers test) in which the sample is indented under a known pressure by the point of a diamond and the surface area of the indentation is divided into the amount of pressure applied.
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Origin of Vickers number
after Vickers Armstrong Ltd., British steel firm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020