: the hardness of a metal or alloy measured by hydraulically pressing a hard ball under a standard load into the specimen
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“Brinell hardness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Brinell%20hardness. Accessed 31 Oct. 2025.
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Brinell hardness
noun
Bri·nell hardness
brə-ˌnel- 
: the hardness of a metal or alloy measured by hydraulically pressing a hard ball under a standard load into the specimen
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