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hardness number |
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hardness number [′härd·nəs ‚nəm·bər] (engineering) A number representing the relative hardness of a mineral, metal, or other material as determined by any of more than 30 different hardness tests. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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