1825
Table of Contents > Health Dictionary > Hardness

Hardness

1. The degree of firmness of a solid, as determined by its resistance to deformation, scratching, or abrasion. 2. The relative penetrating power of a beam of x-rays, used both within the diagnostic range of energy and in radiation therapy; expressed in terms of half-value layer.
Healthy Living Marketplace
Bakery on Main
Solgar
Aubrey Organics
UAS Labs DDS Probiotics
Bob's Red Mill
Now Food