Izod test

noun

ˈīˌzäd-,

ˈīzəd-

: a test of a metal's or plastic's resistance to impact that is made by determining the amount of energy in foot-pounds needed by a swinging hammer to fracture a notched test piece of the material held in a vertical position and supported at its lower end

Word History

Etymology

after E. G. Izod, 20th century English mechanical engineer

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