(physics) The greatest longitudinalstress a substance can bear without tearingasunder, usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.
“How you stand up to the demands of your school work and personal problems will provide some basis for evaluating your inner tenacity and determination.”
“Some of them have shown great tenacity in adhering to their own preconceived views of what the law of this State ought to be.”
“It tends to increase the tenacity of the metal, but induces such brittleness in both cold and hot rolling.”