hard·ness 
(härdnĭs)
(härdnĭs)n.
1. The quality or condition of being hard.
2. The relative resistance of a mineral to scratching, as measured by the Mohs scale.
3. The relative resistance of a metal or other material to denting, scratching, or bending.
- Georgi Konstantinovich
- Georgi Maximilianovich
- Georg Philipp
- Georg Simon
- Georg von
- Georg Wilhelm Friedrich
- geoscience
- geoscientist
- geosol
- geospatial
- geosphere
- geospheric
- geostationary
- geostrategic
- geostrategist
- geostrategy
- geostrophic
- geostrophically
- geosynchronous
- geosynchronously
- geosynclinal
- geosyncline
- geotactic
- geotactically
- geotag