This crossword clue is for the definition: Tough.
it’s A 5 letters crossword puzzle definition.
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Possible Answers: KNOTTY.
Last seen on: NY Times Crossword 2 Apr 21, Friday
Random information on the term “Tough”:
In materials science and metallurgy, toughness is the ability of a material to absorb energy and plastically deform without fracturing. One definition of material toughness is the amount of energy per unit volume that a material can absorb before rupturing. This measure of toughness is different from that used for fracture toughness, which describes load bearing capabilities of materials with flaws. It is also defined as a material’s resistance to fracture when stressed.
Toughness requires a balance of strength and ductility.
Toughness is related to the area under the stress–strain curve. In order to be tough, a material must be both strong and ductile. For example, brittle materials (like ceramics) that are strong but with limited ductility are not tough; conversely, very ductile materials with low strengths are also not tough. To be tough, a material should withstand both high stresses and high strains. Generally speaking, strength indicates how much force the material can support, while toughness indicates how much energy a material can absorb before rupturing.