hardness
UK/'hɑ:dnis/US
TOEFLA1
Definitions
n.
The quality of being firm, rigid, and resistant to pressure or scratching; severity or difficulty
坚硬；硬度；严酷
Root Breakdown
Native Englishhardnessother
=hardness
Example Sentences
- 1.
The hardness of the material makes it ideal for industrial applications.