Vickers hardness test

noun

Vick·​ers hardness test

ˈvikə(r)z-

: an indentation hardness test for metals in which a 136-degree diamond pyramid is pressed into the surface of the metal being tested by a load of 5 to 120 kilograms

Word History

Etymology

probably from Vickers Armstrong Ltd., British steel-manufacturing concern

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now