Table of Contents > Health Dictionary > Hardness


1. The degree of solid firmness, as established by its abrasion, deformation, or scratch resistance. 2. The penetrating power of an X-ray beam, used both in radiation therapy and within the diagnostic energy range, expressed based on the terms of half-value layer.
Healthy Living Marketplace
Now Food
Wakunaga of America
American Health
Carlson Labs
North American Herb & Spice
Garden Of Life