A brand of stackable potato chip; also a Scottish surname, or to curl up, crimp.
As a surname: Scottish origin, possibly from 'Pringal' or a place name. As a brand: created in 1968, likely inspired by the surname of an inventor or packager. The shape inspired the verb meaning to curl.
Pringles chips were specifically designed as a mathematical problem—their curved shape was engineered so they'd stack perfectly in a cylindrical tube, which required inventing a new food-forming technology, making a snack chip an actual engineering achievement.
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