单词 | sclerometer |
释义 | sclerometer —sclerometric /sklear'euh me"trik, skler'-/, adj. /skli rom"i teuhr/, n. any instrument for determining with precision the degree of hardness of a substance, esp. a mineral, as by measuring the pressure necessary to pierce or scratch it. [1875-80; SCLERO- + -METER] |
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