You know what it looks like… but what is it called?
TAKE THE QUIZ“brinell”
The following 3 entries include the term brinell.
Brinell hardness
noun: the hardness of a metal or alloy measured by hydraulically pressing a hard ball under a standard load into the specimen
Brinell hardness number
noun: a number expressing Brinell hardness and denoting the load applied in testing in kilograms divided by the spherical area of indentation produced in the specimen in square millimeters
Brinell test
noun: the test to determine Brinell hardness