monotron hardness test

noun mono·tron hardness test \ˈmä|nə‧ˌträn-, ˈmō|\

Definition of monotron hardness test

  1. :  an indentation test that measures the load required to produce a definite penetration of steel by a standard spherical penetrator

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Origin and Etymology of monotron hardness test

from Monotron, a trademark

Seen and Heard

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a rounded knoll or a ridge of ice

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