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单词 sclerometer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
scle•rom•e•ter  (skli romi tər),USA pronunciation n. 
  1. Mineralogyany 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
scler•o•met•ric  (sklēr′ə metrik, skler′-),USA pronunciation adj. 
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