toughness(redirected from toughnesses)
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A property of a material capable of absorbing energy by plastic deformation; intermediate between softness and brittleness.
1. The ability of a structural material to resist shock or impact; its ability to absorb energy before fracture.
2. The ability of a cladding, coating, or paint film to resist abrasion, chipping, or cracking.
tough, New York City plainclothes detective. [TV: Terrace, 445]
hard-bitten, he rouses fellow migrant workers to strike. [Am. Lit.: In Dubious Battle]