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单词 sclerometer
释义 sclerometer|sklɪəˈrɒmɪtə(r)|
[f. Gr. σκληρό-ς hard + -meter. Cf. F. scléromètre.]
An instrument for measuring the hardness of crystals.
1879in Webster, Suppl.1886Judd in Mineral. Mag. Dec. 85 A means of expressing the cohesive force in different parts of a crystal mass as determined by the sclerometer.1895Story-Maskelyne Crystallogr. i. §9 The hardness of crystals in different directions has been estimated by means of an instrument termed a sclerometer.
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