hardometer
/hɑːdˈɒmɪtə/noun
An instrument for measuring the hardness of a substance, typically a metal.
Origin
Early 20th century. From hard + -ometer.
| 单词 | hardometer |
| 释义 | hardometer/hɑːdˈɒmɪtə/noun An instrument for measuring the hardness of a substance, typically a metal. Origin |
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