microhardness

noun

mi·​cro·​hardness

"+

: hardness of a substance (as an alloy) measured by an indenter (as a diamond point) that penetrates microscopic areas

Word History

Etymology

micr- + hardness

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