Ability of a material to absorb energy and plastically deform without fracturing.
1
She hadn't known she still had any true toughness left in her.
2
I had no idea that it also referred to her physical toughness.
3
The toughness of your sons in our armed forces is not surprising.
4
Flints acquire additional toughness by the evaporation of water contained in them.
5
What seems certain is that for now an essential toughness has evaporated.
Portuguese
Spanish