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An instrument used to determine the relative hardness of a material by measuring the pressure required to penetrate the material with a standard diamond stylus.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) an instrument that determines the hardness of a mineral or metal by means of a diamond point
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||sclerometer - a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point|
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