Definition of Hay diet noun from the Oxford Advanced Learner's Dictionary


Hay diet

BrE BrE//ˈheɪ daɪət//
; NAmE NAmE//ˈheɪ daɪət//
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a diet in which carbohydrates (bread, rice, etc.) are eaten at different times to other foods Word Origin1930s: named after William Howard Hay (1866–1940), the American physician who devised it.